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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
1669
1.610
Why?
Thrombin
6
2003
22
0.810
Why?
Ultrasonography, Doppler
3
2010
27
0.640
Why?
Aneurysm, False
6
2003
50
0.630
Why?
Postoperative Complications
6
2017
1294
0.620
Why?
Portasystemic Shunt, Transjugular Intrahepatic
2
2013
9
0.600
Why?
Hemostatics
4
2003
27
0.580
Why?
Portal Vein
4
2010
38
0.570
Why?
Adenocarcinoma
5
2008
355
0.520
Why?
Coronary Artery Disease
2
2014
320
0.520
Why?
Contrast Media
9
2015
429
0.500
Why?
Middle Aged
42
2018
17898
0.490
Why?
Catheter Ablation
4
2012
155
0.490
Why?
Catheterization
5
2007
113
0.480
Why?
Thrombophlebitis
4
1999
14
0.410
Why?
Radiographic Image Interpretation, Computer-Assisted
1
2014
75
0.410
Why?
Software
3
2014
388
0.400
Why?
Calcinosis
1
2014
86
0.400
Why?
Hypertension, Portal
1
2013
19
0.400
Why?
Coronary Angiography
1
2014
209
0.390
Why?
Surgery, Computer-Assisted
1
2013
58
0.390
Why?
Femoral Artery
3
2003
99
0.390
Why?
Male
44
2018
30294
0.390
Why?
Aged, 80 and over
19
2018
5520
0.380
Why?
Pancreas
2
2014
154
0.370
Why?
Mesenteric Lymphadenitis
1
2012
2
0.370
Why?
Liver Transplantation
2
2012
217
0.360
Why?
Liver Neoplasms
2
2012
306
0.360
Why?
Lymphoma, Non-Hodgkin
1
2012
53
0.350
Why?
Aged
26
2018
14648
0.350
Why?
Diagnostic Imaging
2
2013
266
0.350
Why?
Intestine, Small
2
2005
80
0.350
Why?
Female
41
2018
33350
0.350
Why?
Algorithms
3
2014
1028
0.340
Why?
Catheters, Indwelling
3
2007
68
0.330
Why?
Humans
58
2021
64238
0.330
Why?
Mesenteric Vascular Occlusion
2
2000
12
0.320
Why?
Carcinoma, Hepatocellular
1
2012
181
0.310
Why?
Femoral Vein
2
2007
18
0.310
Why?
Adult
25
2018
17116
0.310
Why?
Neoplasm Recurrence, Local
1
2012
358
0.310
Why?
Graft Occlusion, Vascular
3
2006
60
0.300
Why?
Pancreatic Neoplasms
4
2004
349
0.300
Why?
Iopamidol
3
2012
13
0.290
Why?
Catheterization, Central Venous
3
2006
83
0.280
Why?
Sigmoid Neoplasms
1
2008
2
0.280
Why?
Sigmoid Diseases
1
2008
6
0.280
Why?
Sensitivity and Specificity
8
2014
1162
0.280
Why?
Diverticulitis, Colonic
1
2008
37
0.270
Why?
Aorta, Abdominal
2
1998
56
0.270
Why?
Terminology as Topic
2
2000
141
0.260
Why?
Common Bile Duct
2
2004
19
0.260
Why?
Carotid Arteries
1
2007
61
0.260
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
46
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 Processing, Computer-Assisted
5
2008
677
0.240
Why?
Image-Guided Biopsy
2
2017
50
0.230
Why?
Stents
3
2010
493
0.230
Why?
Penis
1
2005
38
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
447
0.220
Why?
Cholecystitis
1
2004
29
0.220
Why?
Retrospective Studies
11
2021
6726
0.220
Why?
Thrombosis
2
2000
198
0.220
Why?
Cholestasis
1
2004
66
0.210
Why?
Tomography, Spiral Computed
1
2003
22
0.200
Why?
Tissue Plasminogen Activator
2
2006
127
0.200
Why?
Ultrasonography
6
2010
486
0.200
Why?
Radiography, Abdominal
2
2017
26
0.200
Why?
Colonic Diseases
1
2003
35
0.200
Why?
Hemorheology
2
2000
6
0.200
Why?
Radiography, Interventional
3
2017
81
0.200
Why?
Pulse
2
2002
16
0.200
Why?
Gastrointestinal Hemorrhage
1
2003
81
0.190
Why?
Ultrasonic Therapy
1
2002
9
0.190
Why?
Bronchial Arteries
1
2002
3
0.190
Why?
Hemoptysis
1
2002
8
0.190
Why?
Ultrasonography, Interventional
1
2003
116
0.180
Why?
Gastric Fistula
1
2002
4
0.180
Why?
Cutaneous Fistula
1
2002
7
0.180
Why?
Feasibility Studies
4
2008
575
0.180
Why?
Cardiac Catheterization
2
2001
292
0.180
Why?
Device Removal
1
2002
65
0.180
Why?
Venous Thrombosis
1
2002
113
0.170
Why?
Prospective Studies
6
2008
3315
0.170
Why?
Lung Neoplasms
2
2021
695
0.170
Why?
Fistula
1
2001
15
0.170
Why?
Pancreatic Fistula
1
2001
19
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?
Radiography
3
2012
552
0.160
Why?
Plasminogen Activators
1
2000
10
0.160
Why?
Skin Diseases
1
2001
83
0.160
Why?
Injections, Intravenous
4
2005
156
0.160
Why?
Pulmonary Embolism
2
1999
176
0.150
Why?
Fiducial Markers
2
2021
4
0.150
Why?
Embolization, Therapeutic
1
2002
326
0.150
Why?
Cholangiopancreatography, Endoscopic Retrograde
1
1998
47
0.140
Why?
Thoracic Neoplasms
1
1998
14
0.140
Why?
Abdominal Neoplasms
1
1998
22
0.140
Why?
Splenic Neoplasms
1
2018
8
0.140
Why?
Thrombectomy
1
2000
242
0.130
Why?
Ultrasonography, Doppler, Duplex
4
2015
47
0.130
Why?
Ultrasonography, Doppler, Color
4
2001
25
0.130
Why?
Diagnosis, Differential
2
2010
984
0.120
Why?
Renal Artery
1
1996
36
0.120
Why?
Diverticulum, Colon
1
1995
5
0.120
Why?
Drainage
1
2017
155
0.120
Why?
Phlebography
3
2010
44
0.120
Why?
Bacterial Infections
1
2017
153
0.110
Why?
Liposarcoma
1
2015
8
0.110
Why?
Ambulatory Care
1
2017
317
0.110
Why?
Vascular Neoplasms
1
2015
18
0.110
Why?
Vena Cava, Inferior
1
2015
32
0.110
Why?
Models, Theoretical
2
2008
272
0.110
Why?
Regional Blood Flow
2
2008
110
0.110
Why?
Aortography
3
2008
57
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
82
0.100
Why?
Radiographic Image Enhancement
1
2014
98
0.100
Why?
Pneumothorax
1
2014
50
0.100
Why?
Hand
1
1994
73
0.100
Why?
Swine
3
2003
394
0.100
Why?
Partial Thromboplastin Time
1
1993
9
0.100
Why?
Urokinase-Type Plasminogen Activator
1
1993
11
0.100
Why?
Graft vs Host Disease
1
2014
116
0.100
Why?
Treatment Outcome
6
2017
5691
0.100
Why?
Pain
1
1995
407
0.100
Why?
Mucocele
1
2012
2
0.100
Why?
Esophageal Diseases
1
2012
17
0.090
Why?
Respiration Disorders
1
2012
25
0.090
Why?
Treatment Failure
2
2003
200
0.090
Why?
Heparin
1
1993
116
0.090
Why?
Hepatic Artery
1
2012
21
0.090
Why?
Hemorrhage
2
1993
274
0.090
Why?
Constriction, Pathologic
2
2010
131
0.090
Why?
Thrombolytic Therapy
1
1993
193
0.090
Why?
Hot Temperature
1
2012
139
0.090
Why?
Hematopoietic Stem Cell Transplantation
1
2014
356
0.080
Why?
Lymph Nodes
1
2012
229
0.080
Why?
Polyps
1
2010
4
0.080
Why?
Anti-Bacterial Agents
1
2017
800
0.080
Why?
Acute Disease
2
2004
672
0.080
Why?
Gallbladder Diseases
1
2010
27
0.080
Why?
Reproducibility of Results
2
2014
1681
0.080
Why?
Adrenal Gland Neoplasms
1
2010
47
0.080
Why?
Hospitalization
1
2017
1368
0.080
Why?
Hepatectomy
1
2010
64
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
1118
0.070
Why?
Case-Control Studies
2
2010
1130
0.070
Why?
Liver Diseases
1
2010
160
0.070
Why?
Angiography
4
2015
151
0.070
Why?
Bibliometrics
1
2008
31
0.070
Why?
Cineradiography
1
2008
1
0.070
Why?
Diatrizoate Meglumine
1
2008
6
0.070
Why?
Gastrointestinal Transit
1
2008
6
0.070
Why?
Intestinal Absorption
1
2008
31
0.070
Why?
Young Adult
2
2018
4776
0.070
Why?
Injections
2
2005
82
0.070
Why?
Risk Factors
3
2012
5339
0.070
Why?
Blood Flow Velocity
2
2005
70
0.070
Why?
Atherectomy
2
1997
8
0.060
Why?
Kinetics
1
2008
766
0.060
Why?
Elective Surgical Procedures
1
2007
119
0.060
Why?
Alprostadil
1
2005
6
0.060
Why?
Phentolamine
1
2005
7
0.060
Why?
Preoperative Care
1
2007
199
0.060
Why?
Papaverine
1
2005
7
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
41
0.060
Why?
Periodicals as Topic
1
2008
175
0.060
Why?
Purines
1
2005
42
0.060
Why?
Coronary Artery Bypass
1
2007
297
0.060
Why?
Patient Selection
1
2007
487
0.050
Why?
Administration, Oral
1
2005
374
0.050
Why?
Radiology
1
2008
257
0.050
Why?
Follow-Up Studies
3
2018
2478
0.050
Why?
Extravasation of Diagnostic and Therapeutic Materials
1
2003
16
0.050
Why?
Logistic Models
1
2007
1270
0.050
Why?
Vena Cava Filters
1
2003
21
0.050
Why?
Embolism
1
2003
41
0.050
Why?
Mesenteric Veins
2
2000
11
0.050
Why?
Injections, Intra-Arterial
1
2002
21
0.050
Why?
Image Enhancement
1
2003
193
0.050
Why?
Intubation, Gastrointestinal
1
2002
21
0.050
Why?
Mammary Arteries
1
2001
11
0.040
Why?
Gastrostomy
1
2002
30
0.040
Why?
Models, Animal
1
2002
240
0.040
Why?
Recurrence
2
2001
650
0.040
Why?
Mass Screening
1
2007
693
0.040
Why?
Pancreaticojejunostomy
1
2001
5
0.040
Why?
Injections, Intralesional
1
2001
14
0.040
Why?
Equipment Design
1
2002
361
0.040
Why?
Computer Simulation
1
2003
482
0.040
Why?
Anastomosis, Surgical
1
2001
116
0.040
Why?
Heart
1
2002
288
0.040
Why?
Mesenteric Artery, Superior
1
2000
15
0.040
Why?
Intermittent Claudication
2
1997
52
0.040
Why?
Neoplasm Invasiveness
2
1997
278
0.040
Why?
Leg
2
1996
87
0.040
Why?
Common Bile Duct Diseases
1
1998
10
0.040
Why?
Aortic Aneurysm, Thoracic
1
2000
108
0.040
Why?
Pancreatic Diseases
1
1998
38
0.040
Why?
Pancreatic Ducts
1
1998
31
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
102
0.030
Why?
Saphenous Vein
1
1997
52
0.030
Why?
Spleen
1
2018
482
0.030
Why?
Adolescent
2
1999
6304
0.030
Why?
Iliac Artery
1
1996
43
0.030
Why?
Animals
3
2003
20961
0.030
Why?
Arterial Occlusive Diseases
1
1996
65
0.030
Why?
Veins
1
1996
64
0.030
Why?
Aortic Diseases
1
1996
65
0.030
Why?
Kidney
1
1998
455
0.030
Why?
Causality
1
1995
59
0.030
Why?
Thromboembolism
1
1996
73
0.030
Why?
Radiology, Interventional
1
1995
31
0.030
Why?
Liver
1
1999
868
0.030
Why?
Atrophy
1
2014
87
0.030
Why?
Prosthesis Implantation
1
2014
32
0.030
Why?
Time Factors
2
2003
3724
0.030
Why?
Health Services Needs and Demand
1
1995
214
0.020
Why?
Fibrinogen
1
1993
33
0.020
Why?
Respiratory Sounds
1
2012
22
0.020
Why?
Hematoma
1
1993
80
0.020
Why?
Predictive Value of Tests
4
1997
1102
0.020
Why?
Carcinoma, Non-Small-Cell Lung
1
2014
174
0.020
Why?
Aortic Rupture
1
1992
45
0.020
Why?
Aorta, Thoracic
1
1992
77
0.020
Why?
Thoracic Injuries
1
1992
47
0.020
Why?
Drug Therapy, Combination
1
1993
467
0.020
Why?
Prevalence
1
1995
1407
0.020
Why?
Chronic Disease
1
2014
756
0.020
Why?
Wounds, Nonpenetrating
1
1992
117
0.020
Why?
Lung
1
1996
964
0.020
Why?
Gallbladder Neoplasms
1
2010
16
0.020
Why?
Cholecystectomy
1
2010
34
0.020
Why?
Critical Illness
1
2012
327
0.020
Why?
Pressure
2
2000
78
0.020
Why?
Guidelines as Topic
1
2008
158
0.020
Why?
Biomarkers, Tumor
1
2010
512
0.020
Why?
Observer Variation
2
1998
214
0.020
Why?
Administration, Cutaneous
1
2001
32
0.010
Why?
Retreatment
1
2000
44
0.010
Why?
Transducers
1
2000
26
0.010
Why?
Angioplasty, Balloon
1
2000
54
0.010
Why?
Therapy, Computer-Assisted
1
1999
23
0.010
Why?
Angioplasty, Balloon, Coronary
1
2000
167
0.010
Why?
Necrosis
1
1999
144
0.010
Why?
Cattle
1
1999
316
0.010
Why?
In Vitro Techniques
1
1999
490
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
45
0.010
Why?
Abdomen
1
1998
93
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
111
0.010
Why?
Aneurysm
1
1996
58
0.010
Why?
Muscle, Skeletal
1
1999
747
0.010
Why?
Blood Pressure
1
1996
517
0.010
Why?
Aortic Aneurysm, Abdominal
1
1996
219
0.010
Why?
Longitudinal Studies
1
1996
1272
0.010
Why?
Mediastinal Diseases
1
1992
15
0.010
Why?
Incidence
1
1996
1383
0.010
Why?
Magnetic Resonance Imaging
1
1995
2217
0.000
Why?
Neoplasms
1
1995
1392
0.000
Why?
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