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Robert Sheiman

Concepts (296)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Tomography, X-Ray Computed
23
2021
1672
1.600
Why?
Thrombin
6
2003
22
0.800
Why?
Ultrasonography, Doppler
3
2010
27
0.640
Why?
Aneurysm, False
6
2003
51
0.620
Why?
Postoperative Complications
6
2017
1326
0.610
Why?
Portasystemic Shunt, Transjugular Intrahepatic
2
2013
9
0.590
Why?
Hemostatics
4
2003
27
0.580
Why?
Portal Vein
4
2010
39
0.570
Why?
Coronary Artery Disease
2
2014
326
0.520
Why?
Adenocarcinoma
5
2008
361
0.520
Why?
Contrast Media
9
2015
433
0.500
Why?
Catheter Ablation
4
2012
156
0.480
Why?
Catheterization
5
2007
113
0.480
Why?
Middle Aged
42
2018
18261
0.480
Why?
Thrombophlebitis
4
1999
14
0.410
Why?
Radiographic Image Interpretation, Computer-Assisted
1
2014
76
0.410
Why?
Calcinosis
1
2014
86
0.400
Why?
Software
3
2014
395
0.400
Why?
Hypertension, Portal
1
2013
19
0.400
Why?
Surgery, Computer-Assisted
1
2013
57
0.390
Why?
Coronary Angiography
1
2014
211
0.390
Why?
Femoral Artery
3
2003
105
0.390
Why?
Male
44
2018
31065
0.380
Why?
Aged, 80 and over
19
2018
5608
0.370
Why?
Pancreas
2
2014
156
0.370
Why?
Mesenteric Lymphadenitis
1
2012
2
0.370
Why?
Liver Transplantation
2
2012
221
0.360
Why?
Liver Neoplasms
2
2012
311
0.360
Why?
Lymphoma, Non-Hodgkin
1
2012
53
0.350
Why?
Diagnostic Imaging
2
2013
272
0.350
Why?
Intestine, Small
2
2005
82
0.350
Why?
Aged
26
2018
14941
0.340
Why?
Female
41
2018
34113
0.340
Why?
Algorithms
3
2014
1049
0.340
Why?
Catheters, Indwelling
3
2007
68
0.330
Why?
Mesenteric Vascular Occlusion
2
2000
12
0.320
Why?
Humans
58
2021
65534
0.320
Why?
Carcinoma, Hepatocellular
1
2012
184
0.310
Why?
Femoral Vein
2
2007
19
0.310
Why?
Graft Occlusion, Vascular
3
2006
60
0.300
Why?
Neoplasm Recurrence, Local
1
2012
370
0.300
Why?
Adult
25
2018
17409
0.300
Why?
Pancreatic Neoplasms
4
2004
359
0.290
Why?
Iopamidol
3
2012
13
0.290
Why?
Catheterization, Central Venous
3
2006
84
0.280
Why?
Sigmoid Neoplasms
1
2008
2
0.280
Why?
Sigmoid Diseases
1
2008
7
0.280
Why?
Sensitivity and Specificity
8
2014
1172
0.270
Why?
Diverticulitis, Colonic
1
2008
38
0.270
Why?
Aorta, Abdominal
2
1998
56
0.270
Why?
Common Bile Duct
2
2004
21
0.250
Why?
Carotid Arteries
1
2007
63
0.250
Why?
Terminology as Topic
2
2000
145
0.250
Why?
Carotid Artery Diseases
1
2007
61
0.250
Why?
Iatrogenic Disease
3
2003
58
0.250
Why?
Fibrin
1
2006
19
0.250
Why?
Incidental Findings
3
2018
48
0.240
Why?
Penile Erection
1
2005
7
0.240
Why?
Impotence, Vasculogenic
1
2005
3
0.240
Why?
Phosphodiesterase Inhibitors
1
2005
27
0.240
Why?
Image-Guided Biopsy
2
2017
50
0.230
Why?
Image Processing, Computer-Assisted
5
2008
694
0.230
Why?
Penis
1
2005
38
0.230
Why?
Stents
3
2010
502
0.230
Why?
Piperazines
1
2005
87
0.230
Why?
Cystic Duct
1
2004
5
0.220
Why?
Renal Dialysis
1
2006
195
0.220
Why?
Biopsy
2
2014
457
0.220
Why?
Cholecystitis
1
2004
29
0.210
Why?
Thrombosis
2
2000
205
0.210
Why?
Retrospective Studies
11
2021
6880
0.210
Why?
Cholestasis
1
2004
66
0.210
Why?
Tissue Plasminogen Activator
2
2006
127
0.200
Why?
Tomography, Spiral Computed
1
2003
22
0.200
Why?
Colonic Diseases
1
2003
35
0.200
Why?
Ultrasonography
6
2010
495
0.200
Why?
Radiography, Abdominal
2
2017
27
0.200
Why?
Hemorheology
2
2000
6
0.200
Why?
Radiography, Interventional
3
2017
82
0.200
Why?
Pulse
2
2002
16
0.200
Why?
Gastrointestinal Hemorrhage
1
2003
82
0.190
Why?
Ultrasonic Therapy
1
2002
9
0.190
Why?
Bronchial Arteries
1
2002
3
0.190
Why?
Hemoptysis
1
2002
9
0.190
Why?
Gastric Fistula
1
2002
4
0.180
Why?
Cutaneous Fistula
1
2002
7
0.180
Why?
Ultrasonography, Interventional
1
2003
122
0.180
Why?
Feasibility Studies
4
2008
582
0.180
Why?
Device Removal
1
2002
66
0.170
Why?
Cardiac Catheterization
2
2001
305
0.170
Why?
Venous Thrombosis
1
2002
114
0.170
Why?
Prospective Studies
6
2008
3355
0.170
Why?
Fistula
1
2001
14
0.170
Why?
Pancreatic Fistula
1
2001
19
0.170
Why?
Lung Neoplasms
2
2021
720
0.170
Why?
Splanchnic Circulation
2
2000
16
0.170
Why?
Pancreaticoduodenectomy
1
2001
65
0.170
Why?
Liver Circulation
1
2000
11
0.160
Why?
Radiosurgery
1
2021
69
0.160
Why?
Brachial Artery
2
1999
28
0.160
Why?
Plasminogen Activators
1
2000
10
0.160
Why?
Radiography
3
2012
557
0.160
Why?
Skin Diseases
1
2001
83
0.160
Why?
Injections, Intravenous
4
2005
158
0.160
Why?
Pulmonary Embolism
2
1999
194
0.150
Why?
Fiducial Markers
2
2021
4
0.150
Why?
Embolization, Therapeutic
1
2002
334
0.140
Why?
Cholangiopancreatography, Endoscopic Retrograde
1
1998
48
0.140
Why?
Thoracic Neoplasms
1
1998
14
0.140
Why?
Abdominal Neoplasms
1
1998
23
0.140
Why?
Splenic Neoplasms
1
2018
8
0.140
Why?
Thrombectomy
1
2000
253
0.130
Why?
Ultrasonography, Doppler, Duplex
4
2015
47
0.130
Why?
Ultrasonography, Doppler, Color
4
2001
25
0.130
Why?
Renal Artery
1
1996
36
0.120
Why?
Diagnosis, Differential
2
2010
998
0.120
Why?
Diverticulum, Colon
1
1995
5
0.120
Why?
Drainage
1
2017
155
0.120
Why?
Phlebography
3
2010
45
0.120
Why?
Bacterial Infections
1
2017
154
0.110
Why?
Liposarcoma
1
2015
8
0.110
Why?
Ambulatory Care
1
2017
320
0.110
Why?
Vascular Neoplasms
1
2015
18
0.110
Why?
Vena Cava, Inferior
1
2015
33
0.110
Why?
Models, Theoretical
2
2008
274
0.110
Why?
Regional Blood Flow
2
2008
116
0.110
Why?
Aortography
3
2008
58
0.110
Why?
Software Validation
1
2014
9
0.110
Why?
Statistics, Nonparametric
2
2005
214
0.110
Why?
Forearm
1
1994
22
0.100
Why?
Vascular Diseases
2
1995
83
0.100
Why?
Radiographic Image Enhancement
1
2014
98
0.100
Why?
Pneumothorax
1
2014
51
0.100
Why?
Hand
1
1994
75
0.100
Why?
Swine
3
2003
397
0.100
Why?
Partial Thromboplastin Time
1
1993
9
0.100
Why?
Urokinase-Type Plasminogen Activator
1
1993
12
0.100
Why?
Graft vs Host Disease
1
2014
115
0.100
Why?
Pain
1
1995
403
0.100
Why?
Mucocele
1
2012
2
0.100
Why?
Treatment Outcome
6
2017
5817
0.090
Why?
Esophageal Diseases
1
2012
17
0.090
Why?
Respiration Disorders
1
2012
26
0.090
Why?
Treatment Failure
2
2003
208
0.090
Why?
Heparin
1
1993
118
0.090
Why?
Hepatic Artery
1
2012
22
0.090
Why?
Hemorrhage
2
1993
280
0.090
Why?
Constriction, Pathologic
2
2010
132
0.090
Why?
Thrombolytic Therapy
1
1993
198
0.090
Why?
Hot Temperature
1
2012
144
0.090
Why?
Hematopoietic Stem Cell Transplantation
1
2014
358
0.080
Why?
Lymph Nodes
1
2012
233
0.080
Why?
Polyps
1
2010
4
0.080
Why?
Acute Disease
2
2004
678
0.080
Why?
Gallbladder Diseases
1
2010
27
0.080
Why?
Anti-Bacterial Agents
1
2017
821
0.080
Why?
Reproducibility of Results
2
2014
1700
0.080
Why?
Adrenal Gland Neoplasms
1
2010
47
0.080
Why?
Hospitalization
1
2017
1393
0.080
Why?
Hepatectomy
1
2010
65
0.080
Why?
Equipment Failure
2
2007
68
0.080
Why?
Blood Volume
2
2008
40
0.080
Why?
Vascular Patency
3
2006
134
0.070
Why?
Emergency Service, Hospital
1
2017
1145
0.070
Why?
Case-Control Studies
2
2010
1156
0.070
Why?
Liver Diseases
1
2010
160
0.070
Why?
Angiography
4
2015
154
0.070
Why?
Cineradiography
1
2008
1
0.070
Why?
Diatrizoate Meglumine
1
2008
6
0.070
Why?
Bibliometrics
1
2008
34
0.070
Why?
Gastrointestinal Transit
1
2008
6
0.070
Why?
Intestinal Absorption
1
2008
33
0.070
Why?
Young Adult
2
2018
4831
0.070
Why?
Injections
2
2005
84
0.070
Why?
Blood Flow Velocity
2
2005
73
0.070
Why?
Risk Factors
3
2012
5441
0.070
Why?
Atherectomy
2
1997
8
0.060
Why?
Kinetics
1
2008
768
0.060
Why?
Elective Surgical Procedures
1
2007
121
0.060
Why?
Alprostadil
1
2005
6
0.060
Why?
Phentolamine
1
2005
7
0.060
Why?
Papaverine
1
2005
7
0.060
Why?
Preoperative Care
1
2007
200
0.060
Why?
Triiodobenzoic Acids
1
2005
11
0.060
Why?
Sildenafil Citrate
1
2005
14
0.060
Why?
Adrenergic alpha-Antagonists
1
2005
16
0.060
Why?
Sulfones
1
2005
42
0.060
Why?
Purines
1
2005
43
0.060
Why?
Periodicals as Topic
1
2008
181
0.060
Why?
Coronary Artery Bypass
1
2007
298
0.060
Why?
Patient Selection
1
2007
486
0.050
Why?
Administration, Oral
1
2005
376
0.050
Why?
Radiology
1
2008
262
0.050
Why?
Follow-Up Studies
3
2018
2510
0.050
Why?
Extravasation of Diagnostic and Therapeutic Materials
1
2003
16
0.050
Why?
Logistic Models
1
2007
1282
0.050
Why?
Vena Cava Filters
1
2003
23
0.050
Why?
Embolism
1
2003
42
0.050
Why?
Mesenteric Veins
2
2000
11
0.050
Why?
Injections, Intra-Arterial
1
2002
21
0.050
Why?
Image Enhancement
1
2003
194
0.050
Why?
Intubation, Gastrointestinal
1
2002
20
0.050
Why?
Mammary Arteries
1
2001
11
0.040
Why?
Gastrostomy
1
2002
30
0.040
Why?
Models, Animal
1
2002
241
0.040
Why?
Recurrence
2
2001
660
0.040
Why?
Pancreaticojejunostomy
1
2001
5
0.040
Why?
Mass Screening
1
2007
706
0.040
Why?
Injections, Intralesional
1
2001
14
0.040
Why?
Equipment Design
1
2002
362
0.040
Why?
Computer Simulation
1
2003
487
0.040
Why?
Anastomosis, Surgical
1
2001
121
0.040
Why?
Heart
1
2002
295
0.040
Why?
Mesenteric Artery, Superior
1
2000
16
0.040
Why?
Intermittent Claudication
2
1997
53
0.040
Why?
Neoplasm Invasiveness
2
1997
286
0.040
Why?
Leg
2
1996
88
0.040
Why?
Common Bile Duct Diseases
1
1998
10
0.040
Why?
Aortic Aneurysm, Thoracic
1
2000
109
0.040
Why?
Pancreatic Diseases
1
1998
39
0.040
Why?
Pancreatic Ducts
1
1998
32
0.040
Why?
False Negative Reactions
1
1998
41
0.040
Why?
Urography
1
1998
13
0.040
Why?
Ureter
1
1998
37
0.030
Why?
Costs and Cost Analysis
2
1995
105
0.030
Why?
Saphenous Vein
1
1997
52
0.030
Why?
Spleen
1
2018
479
0.030
Why?
Iliac Artery
1
1996
43
0.030
Why?
Adolescent
2
1999
6377
0.030
Why?
Arterial Occlusive Diseases
1
1996
67
0.030
Why?
Animals
3
2003
21533
0.030
Why?
Veins
1
1996
64
0.030
Why?
Aortic Diseases
1
1996
65
0.030
Why?
Kidney
1
1998
456
0.030
Why?
Causality
1
1995
59
0.030
Why?
Thromboembolism
1
1996
74
0.030
Why?
Radiology, Interventional
1
1995
31
0.030
Why?
Liver
1
1999
878
0.030
Why?
Atrophy
1
2014
87
0.030
Why?
Prosthesis Implantation
1
2014
30
0.030
Why?
Time Factors
2
2003
3788
0.030
Why?
Health Services Needs and Demand
1
1995
224
0.020
Why?
Fibrinogen
1
1993
33
0.020
Why?
Respiratory Sounds
1
2012
22
0.020
Why?
Hematoma
1
1993
82
0.020
Why?
Predictive Value of Tests
4
1997
1114
0.020
Why?
Aortic Rupture
1
1992
45
0.020
Why?
Carcinoma, Non-Small-Cell Lung
1
2014
188
0.020
Why?
Aorta, Thoracic
1
1992
79
0.020
Why?
Thoracic Injuries
1
1992
47
0.020
Why?
Drug Therapy, Combination
1
1993
473
0.020
Why?
Prevalence
1
1995
1441
0.020
Why?
Wounds, Nonpenetrating
1
1992
119
0.020
Why?
Chronic Disease
1
2014
757
0.020
Why?
Lung
1
1996
972
0.020
Why?
Gallbladder Neoplasms
1
2010
16
0.020
Why?
Cholecystectomy
1
2010
34
0.020
Why?
Critical Illness
1
2012
332
0.020
Why?
Pressure
2
2000
78
0.020
Why?
Guidelines as Topic
1
2008
162
0.020
Why?
Biomarkers, Tumor
1
2010
525
0.020
Why?
Observer Variation
2
1998
215
0.020
Why?
Administration, Cutaneous
1
2001
32
0.010
Why?
Transducers
1
2000
23
0.010
Why?
Retreatment
1
2000
44
0.010
Why?
Angioplasty, Balloon
1
2000
55
0.010
Why?
Therapy, Computer-Assisted
1
1999
23
0.010
Why?
Angioplasty, Balloon, Coronary
1
2000
174
0.010
Why?
Necrosis
1
1999
146
0.010
Why?
Cattle
1
1999
321
0.010
Why?
In Vitro Techniques
1
1999
495
0.010
Why?
Kidney Calices
1
1998
1
0.010
Why?
Ureteral Diseases
1
1998
4
0.010
Why?
Supine Position
1
1998
33
0.010
Why?
Kidney Pelvis
1
1998
13
0.010
Why?
Prone Position
1
1998
28
0.010
Why?
Urothelium
1
1998
22
0.010
Why?
Evaluation Studies as Topic
1
1998
106
0.010
Why?
Hematuria
1
1998
23
0.010
Why?
Urinary Bladder
1
1998
48
0.010
Why?
Abdomen
1
1998
95
0.010
Why?
Mesenteric Arteries
1
1997
10
0.010
Why?
Kidney Diseases
1
1998
180
0.010
Why?
Life Tables
1
1996
23
0.010
Why?
Ankle
1
1996
28
0.010
Why?
Radionuclide Imaging
1
1996
128
0.010
Why?
Physical Examination
1
1996
110
0.010
Why?
Aneurysm
1
1996
58
0.010
Why?
Muscle, Skeletal
1
1999
766
0.010
Why?
Blood Pressure
1
1996
526
0.010
Why?
Aortic Aneurysm, Abdominal
1
1996
220
0.010
Why?
Longitudinal Studies
1
1996
1287
0.010
Why?
Mediastinal Diseases
1
1992
15
0.010
Why?
Incidence
1
1996
1410
0.010
Why?
Magnetic Resonance Imaging
1
1995
2248
0.000
Why?
Neoplasms
1
1995
1415
0.000
Why?
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Concepts (296)
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