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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
1540
1.740
Why?
Thrombin
6
2003
21
0.850
Why?
Ultrasonography, Doppler
3
2010
25
0.670
Why?
Aneurysm, False
6
2003
46
0.660
Why?
Postoperative Complications
6
2017
1217
0.660
Why?
Portasystemic Shunt, Transjugular Intrahepatic
2
2013
8
0.630
Why?
Hemostatics
4
2003
26
0.610
Why?
Portal Vein
4
2010
38
0.600
Why?
Coronary Artery Disease
2
2014
277
0.580
Why?
Adenocarcinoma
5
2008
327
0.560
Why?
Middle Aged
42
2018
16452
0.530
Why?
Contrast Media
9
2015
408
0.530
Why?
Catheter Ablation
4
2012
149
0.520
Why?
Catheterization
5
2007
111
0.510
Why?
Thrombophlebitis
4
1999
14
0.430
Why?
Radiographic Image Interpretation, Computer-Assisted
1
2014
69
0.430
Why?
Software
3
2014
366
0.430
Why?
Hypertension, Portal
1
2013
14
0.430
Why?
Calcinosis
1
2014
81
0.420
Why?
Coronary Angiography
1
2014
178
0.420
Why?
Male
44
2018
27948
0.420
Why?
Surgery, Computer-Assisted
1
2013
55
0.410
Why?
Femoral Artery
3
2003
103
0.410
Why?
Aged, 80 and over
19
2018
5150
0.400
Why?
Pancreas
2
2014
146
0.390
Why?
Mesenteric Lymphadenitis
1
2012
2
0.390
Why?
Aged
26
2018
13512
0.380
Why?
Liver Neoplasms
2
2012
277
0.380
Why?
Liver Transplantation
2
2012
207
0.380
Why?
Female
41
2018
30921
0.380
Why?
Lymphoma, Non-Hodgkin
1
2012
51
0.370
Why?
Diagnostic Imaging
2
2013
246
0.370
Why?
Intestine, Small
2
2005
78
0.360
Why?
Algorithms
3
2014
981
0.360
Why?
Humans
58
2021
59736
0.350
Why?
Catheters, Indwelling
3
2007
69
0.350
Why?
Mesenteric Vascular Occlusion
2
2000
14
0.340
Why?
Adult
25
2018
15771
0.330
Why?
Carcinoma, Hepatocellular
1
2012
167
0.330
Why?
Neoplasm Recurrence, Local
1
2012
305
0.330
Why?
Femoral Vein
2
2007
18
0.330
Why?
Graft Occlusion, Vascular
3
2006
62
0.320
Why?
Pancreatic Neoplasms
4
2004
332
0.310
Why?
Iopamidol
3
2012
13
0.300
Why?
Sigmoid Neoplasms
1
2008
2
0.290
Why?
Catheterization, Central Venous
3
2006
86
0.290
Why?
Sigmoid Diseases
1
2008
5
0.290
Why?
Sensitivity and Specificity
8
2014
1104
0.290
Why?
Diverticulitis, Colonic
1
2008
32
0.290
Why?
Aorta, Abdominal
2
1998
58
0.280
Why?
Terminology as Topic
2
2000
133
0.270
Why?
Common Bile Duct
2
2004
19
0.270
Why?
Carotid Arteries
1
2007
62
0.270
Why?
Iatrogenic Disease
3
2003
61
0.260
Why?
Carotid Artery Diseases
1
2007
63
0.260
Why?
Fibrin
1
2006
19
0.260
Why?
Incidental Findings
3
2018
41
0.260
Why?
Impotence, Vasculogenic
1
2005
1
0.250
Why?
Image Processing, Computer-Assisted
5
2008
653
0.250
Why?
Penile Erection
1
2005
4
0.250
Why?
Phosphodiesterase Inhibitors
1
2005
27
0.250
Why?
Image-Guided Biopsy
2
2017
38
0.250
Why?
Penis
1
2005
22
0.250
Why?
Stents
3
2010
468
0.250
Why?
Piperazines
1
2005
74
0.240
Why?
Retrospective Studies
11
2021
6152
0.230
Why?
Cystic Duct
1
2004
5
0.230
Why?
Renal Dialysis
1
2006
189
0.230
Why?
Biopsy
2
2014
420
0.230
Why?
Cholecystitis
1
2004
27
0.230
Why?
Thrombosis
2
2000
188
0.230
Why?
Cholestasis
1
2004
54
0.220
Why?
Tomography, Spiral Computed
1
2003
21
0.210
Why?
Tissue Plasminogen Activator
2
2006
125
0.210
Why?
Ultrasonography
6
2010
458
0.210
Why?
Colonic Diseases
1
2003
34
0.210
Why?
Radiography, Abdominal
2
2017
26
0.210
Why?
Radiography, Interventional
3
2017
72
0.210
Why?
Hemorheology
2
2000
6
0.210
Why?
Pulse
2
2002
15
0.210
Why?
Ultrasonography, Interventional
1
2003
92
0.200
Why?
Gastrointestinal Hemorrhage
1
2003
77
0.200
Why?
Ultrasonic Therapy
1
2002
8
0.200
Why?
Bronchial Arteries
1
2002
3
0.200
Why?
Hemoptysis
1
2002
8
0.200
Why?
Feasibility Studies
4
2008
531
0.190
Why?
Gastric Fistula
1
2002
4
0.190
Why?
Cutaneous Fistula
1
2002
7
0.190
Why?
Cardiac Catheterization
2
2001
254
0.190
Why?
Lung Neoplasms
2
2021
604
0.190
Why?
Prospective Studies
6
2008
3090
0.190
Why?
Device Removal
1
2002
65
0.180
Why?
Venous Thrombosis
1
2002
111
0.180
Why?
Fistula
1
2001
13
0.180
Why?
Pancreatic Fistula
1
2001
18
0.180
Why?
Splanchnic Circulation
2
2000
16
0.180
Why?
Pancreaticoduodenectomy
1
2001
63
0.180
Why?
Radiosurgery
1
2021
61
0.170
Why?
Liver Circulation
1
2000
11
0.170
Why?
Brachial Artery
2
1999
28
0.170
Why?
Radiography
3
2012
519
0.170
Why?
Skin Diseases
1
2001
76
0.170
Why?
Plasminogen Activators
1
2000
10
0.170
Why?
Injections, Intravenous
4
2005
155
0.160
Why?
Pulmonary Embolism
2
1999
169
0.160
Why?
Fiducial Markers
2
2021
4
0.160
Why?
Embolization, Therapeutic
1
2002
310
0.150
Why?
Cholangiopancreatography, Endoscopic Retrograde
1
1998
46
0.150
Why?
Abdominal Neoplasms
1
1998
17
0.150
Why?
Thoracic Neoplasms
1
1998
12
0.150
Why?
Splenic Neoplasms
1
2018
8
0.150
Why?
Thrombectomy
1
2000
214
0.140
Why?
Ultrasonography, Doppler, Duplex
4
2015
49
0.140
Why?
Ultrasonography, Doppler, Color
4
2001
25
0.140
Why?
Renal Artery
1
1996
33
0.130
Why?
Diagnosis, Differential
2
2010
943
0.130
Why?
Drainage
1
2017
150
0.130
Why?
Diverticulum, Colon
1
1995
4
0.130
Why?
Phlebography
3
2010
44
0.120
Why?
Bacterial Infections
1
2017
140
0.120
Why?
Liposarcoma
1
2015
8
0.120
Why?
Ambulatory Care
1
2017
305
0.120
Why?
Vascular Neoplasms
1
2015
17
0.120
Why?
Vena Cava, Inferior
1
2015
30
0.120
Why?
Models, Theoretical
2
2008
257
0.110
Why?
Regional Blood Flow
2
2008
108
0.110
Why?
Aortography
3
2008
56
0.110
Why?
Software Validation
1
2014
8
0.110
Why?
Statistics, Nonparametric
2
2005
210
0.110
Why?
Forearm
1
1994
19
0.110
Why?
Vascular Diseases
2
1995
75
0.110
Why?
Radiographic Image Enhancement
1
2014
98
0.110
Why?
Hand
1
1994
69
0.110
Why?
Pneumothorax
1
2014
49
0.110
Why?
Swine
3
2003
360
0.100
Why?
Partial Thromboplastin Time
1
1993
9
0.100
Why?
Urokinase-Type Plasminogen Activator
1
1993
10
0.100
Why?
Treatment Outcome
6
2017
5333
0.100
Why?
Graft vs Host Disease
1
2014
107
0.100
Why?
Pain
1
1995
398
0.100
Why?
Mucocele
1
2012
2
0.100
Why?
Esophageal Diseases
1
2012
16
0.100
Why?
Respiration Disorders
1
2012
23
0.100
Why?
Heparin
1
1993
111
0.100
Why?
Treatment Failure
2
2003
186
0.100
Why?
Hemorrhage
2
1993
259
0.100
Why?
Hepatic Artery
1
2012
20
0.090
Why?
Constriction, Pathologic
2
2010
114
0.090
Why?
Thrombolytic Therapy
1
1993
184
0.090
Why?
Hot Temperature
1
2012
126
0.090
Why?
Hematopoietic Stem Cell Transplantation
1
2014
331
0.090
Why?
Lymph Nodes
1
2012
215
0.090
Why?
Anti-Bacterial Agents
1
2017
738
0.090
Why?
Polyps
1
2010
4
0.090
Why?
Reproducibility of Results
2
2014
1570
0.090
Why?
Gallbladder Diseases
1
2010
25
0.090
Why?
Acute Disease
2
2004
660
0.090
Why?
Adrenal Gland Neoplasms
1
2010
42
0.090
Why?
Hospitalization
1
2017
1300
0.080
Why?
Hepatectomy
1
2010
62
0.080
Why?
Emergency Service, Hospital
1
2017
1024
0.080
Why?
Equipment Failure
2
2007
65
0.080
Why?
Blood Volume
2
2008
42
0.080
Why?
Vascular Patency
3
2006
138
0.080
Why?
Case-Control Studies
2
2010
1061
0.080
Why?
Liver Diseases
1
2010
138
0.080
Why?
Angiography
4
2015
145
0.080
Why?
Bibliometrics
1
2008
27
0.070
Why?
Young Adult
2
2018
4290
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
29
0.070
Why?
Risk Factors
3
2012
5011
0.070
Why?
Injections
2
2005
77
0.070
Why?
Blood Flow Velocity
2
2005
68
0.070
Why?
Atherectomy
2
1997
12
0.070
Why?
Kinetics
1
2008
751
0.070
Why?
Elective Surgical Procedures
1
2007
114
0.070
Why?
Preoperative Care
1
2007
182
0.060
Why?
Alprostadil
1
2005
6
0.060
Why?
Phentolamine
1
2005
8
0.060
Why?
Papaverine
1
2005
7
0.060
Why?
Triiodobenzoic Acids
1
2005
11
0.060
Why?
Sildenafil Citrate
1
2005
11
0.060
Why?
Adrenergic alpha-Antagonists
1
2005
15
0.060
Why?
Sulfones
1
2005
36
0.060
Why?
Periodicals as Topic
1
2008
166
0.060
Why?
Purines
1
2005
38
0.060
Why?
Coronary Artery Bypass
1
2007
280
0.060
Why?
Patient Selection
1
2007
467
0.060
Why?
Administration, Oral
1
2005
354
0.060
Why?
Radiology
1
2008
238
0.060
Why?
Follow-Up Studies
3
2018
2354
0.060
Why?
Extravasation of Diagnostic and Therapeutic Materials
1
2003
16
0.050
Why?
Logistic Models
1
2007
1240
0.050
Why?
Vena Cava Filters
1
2003
23
0.050
Why?
Embolism
1
2003
39
0.050
Why?
Mesenteric Veins
2
2000
11
0.050
Why?
Injections, Intra-Arterial
1
2002
20
0.050
Why?
Image Enhancement
1
2003
189
0.050
Why?
Intubation, Gastrointestinal
1
2002
21
0.050
Why?
Mammary Arteries
1
2001
10
0.050
Why?
Gastrostomy
1
2002
29
0.050
Why?
Models, Animal
1
2002
224
0.050
Why?
Mass Screening
1
2007
654
0.050
Why?
Recurrence
2
2001
608
0.050
Why?
Pancreaticojejunostomy
1
2001
5
0.050
Why?
Injections, Intralesional
1
2001
12
0.050
Why?
Equipment Design
1
2002
334
0.050
Why?
Computer Simulation
1
2003
459
0.040
Why?
Anastomosis, Surgical
1
2001
109
0.040
Why?
Mesenteric Artery, Superior
1
2000
14
0.040
Why?
Heart
1
2002
275
0.040
Why?
Intermittent Claudication
2
1997
53
0.040
Why?
Neoplasm Invasiveness
2
1997
262
0.040
Why?
Leg
2
1996
86
0.040
Why?
Common Bile Duct Diseases
1
1998
10
0.040
Why?
Aortic Aneurysm, Thoracic
1
2000
107
0.040
Why?
Pancreatic Diseases
1
1998
38
0.040
Why?
Pancreatic Ducts
1
1998
30
0.040
Why?
False Negative Reactions
1
1998
40
0.040
Why?
Urography
1
1998
13
0.040
Why?
Ureter
1
1998
31
0.040
Why?
Costs and Cost Analysis
2
1995
99
0.030
Why?
Saphenous Vein
1
1997
51
0.030
Why?
Adolescent
2
1999
5865
0.030
Why?
Spleen
1
2018
480
0.030
Why?
Animals
3
2003
19702
0.030
Why?
Iliac Artery
1
1996
49
0.030
Why?
Veins
1
1996
61
0.030
Why?
Arterial Occlusive Diseases
1
1996
72
0.030
Why?
Kidney
1
1998
424
0.030
Why?
Aortic Diseases
1
1996
72
0.030
Why?
Thromboembolism
1
1996
70
0.030
Why?
Causality
1
1995
57
0.030
Why?
Radiology, Interventional
1
1995
28
0.030
Why?
Liver
1
1999
798
0.030
Why?
Atrophy
1
2014
76
0.030
Why?
Time Factors
2
2003
3629
0.030
Why?
Prosthesis Implantation
1
2014
32
0.030
Why?
Health Services Needs and Demand
1
1995
203
0.030
Why?
Fibrinogen
1
1993
32
0.030
Why?
Respiratory Sounds
1
2012
22
0.020
Why?
Hematoma
1
1993
69
0.020
Why?
Predictive Value of Tests
4
1997
1038
0.020
Why?
Carcinoma, Non-Small-Cell Lung
1
2014
150
0.020
Why?
Aorta, Thoracic
1
1992
81
0.020
Why?
Aortic Rupture
1
1992
54
0.020
Why?
Thoracic Injuries
1
1992
46
0.020
Why?
Drug Therapy, Combination
1
1993
452
0.020
Why?
Prevalence
1
1995
1262
0.020
Why?
Wounds, Nonpenetrating
1
1992
105
0.020
Why?
Chronic Disease
1
2014
719
0.020
Why?
Lung
1
1996
926
0.020
Why?
Cholecystectomy
1
2010
31
0.020
Why?
Gallbladder Neoplasms
1
2010
16
0.020
Why?
Pressure
2
2000
76
0.020
Why?
Critical Illness
1
2012
334
0.020
Why?
Guidelines as Topic
1
2008
154
0.020
Why?
Biomarkers, Tumor
1
2010
466
0.020
Why?
Observer Variation
2
1998
206
0.020
Why?
Administration, Cutaneous
1
2001
28
0.010
Why?
Retreatment
1
2000
47
0.010
Why?
Transducers
1
2000
26
0.010
Why?
Angioplasty, Balloon
1
2000
58
0.010
Why?
Therapy, Computer-Assisted
1
1999
24
0.010
Why?
Angioplasty, Balloon, Coronary
1
2000
167
0.010
Why?
Necrosis
1
1999
140
0.010
Why?
Cattle
1
1999
304
0.010
Why?
Kidney Calices
1
1998
1
0.010
Why?
In Vitro Techniques
1
1999
476
0.010
Why?
Ureteral Diseases
1
1998
3
0.010
Why?
Supine Position
1
1998
31
0.010
Why?
Kidney Pelvis
1
1998
11
0.010
Why?
Prone Position
1
1998
28
0.010
Why?
Urothelium
1
1998
22
0.010
Why?
Evaluation Studies as Topic
1
1998
103
0.010
Why?
Hematuria
1
1998
21
0.010
Why?
Urinary Bladder
1
1998
40
0.010
Why?
Abdomen
1
1998
91
0.010
Why?
Mesenteric Arteries
1
1997
9
0.010
Why?
Kidney Diseases
1
1998
172
0.010
Why?
Life Tables
1
1996
23
0.010
Why?
Ankle
1
1996
24
0.010
Why?
Radionuclide Imaging
1
1996
121
0.010
Why?
Physical Examination
1
1996
105
0.010
Why?
Aneurysm
1
1996
57
0.010
Why?
Muscle, Skeletal
1
1999
678
0.010
Why?
Blood Pressure
1
1996
498
0.010
Why?
Aortic Aneurysm, Abdominal
1
1996
241
0.010
Why?
Incidence
1
1996
1243
0.010
Why?
Longitudinal Studies
1
1996
1192
0.010
Why?
Mediastinal Diseases
1
1992
15
0.010
Why?
Magnetic Resonance Imaging
1
1995
2064
0.000
Why?
Neoplasms
1
1995
1238
0.000
Why?
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