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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
1520
1.760
Why?
Thrombin
6
2003
21
0.850
Why?
Ultrasonography, Doppler
3
2010
24
0.670
Why?
Postoperative Complications
6
2017
1208
0.670
Why?
Aneurysm, False
6
2003
46
0.670
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
275
0.580
Why?
Adenocarcinoma
5
2008
323
0.560
Why?
Middle Aged
42
2018
16383
0.530
Why?
Contrast Media
9
2015
406
0.530
Why?
Catheter Ablation
4
2012
146
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?
Male
44
2018
27846
0.420
Why?
Coronary Angiography
1
2014
178
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
5138
0.400
Why?
Pancreas
2
2014
146
0.390
Why?
Mesenteric Lymphadenitis
1
2012
2
0.390
Why?
Aged
26
2018
13458
0.380
Why?
Liver Neoplasms
2
2012
276
0.380
Why?
Liver Transplantation
2
2012
207
0.380
Why?
Female
41
2018
30836
0.380
Why?
Lymphoma, Non-Hodgkin
1
2012
50
0.370
Why?
Diagnostic Imaging
2
2013
245
0.370
Why?
Intestine, Small
2
2005
78
0.370
Why?
Algorithms
3
2014
980
0.360
Why?
Humans
58
2021
59565
0.350
Why?
Catheters, Indwelling
3
2007
67
0.350
Why?
Mesenteric Vascular Occlusion
2
2000
14
0.340
Why?
Adult
25
2018
15732
0.330
Why?
Carcinoma, Hepatocellular
1
2012
167
0.330
Why?
Neoplasm Recurrence, Local
1
2012
300
0.330
Why?
Femoral Vein
2
2007
18
0.330
Why?
Graft Occlusion, Vascular
3
2006
62
0.320
Why?
Pancreatic Neoplasms
4
2004
331
0.310
Why?
Iopamidol
3
2012
13
0.300
Why?
Catheterization, Central Venous
3
2006
85
0.290
Why?
Sigmoid Neoplasms
1
2008
2
0.290
Why?
Sigmoid Diseases
1
2008
5
0.290
Why?
Sensitivity and Specificity
8
2014
1099
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
59
0.270
Why?
Carotid Artery Diseases
1
2007
63
0.260
Why?
Fibrin
1
2006
18
0.260
Why?
Incidental Findings
3
2018
41
0.260
Why?
Impotence, Vasculogenic
1
2005
1
0.250
Why?
Penile Erection
1
2005
4
0.250
Why?
Image Processing, Computer-Assisted
5
2008
652
0.250
Why?
Phosphodiesterase Inhibitors
1
2005
27
0.250
Why?
Image-Guided Biopsy
2
2017
36
0.250
Why?
Penis
1
2005
22
0.250
Why?
Stents
3
2010
465
0.250
Why?
Piperazines
1
2005
74
0.240
Why?
Retrospective Studies
11
2021
6113
0.230
Why?
Cystic Duct
1
2004
5
0.230
Why?
Renal Dialysis
1
2006
189
0.230
Why?
Biopsy
2
2014
410
0.230
Why?
Cholecystitis
1
2004
27
0.230
Why?
Thrombosis
2
2000
187
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
528
0.190
Why?
Gastric Fistula
1
2002
4
0.190
Why?
Cutaneous Fistula
1
2002
7
0.190
Why?
Lung Neoplasms
2
2021
586
0.190
Why?
Cardiac Catheterization
2
2001
254
0.190
Why?
Prospective Studies
6
2008
3076
0.190
Why?
Device Removal
1
2002
64
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
518
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
213
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
31
0.130
Why?
Diagnosis, Differential
2
2010
939
0.130
Why?
Drainage
1
2017
150
0.130
Why?
Diverticulum, Colon
1
1995
4
0.130
Why?
Phlebography
3
2010
43
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
16
0.120
Why?
Vena Cava, Inferior
1
2015
28
0.120
Why?
Models, Theoretical
2
2008
256
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
209
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
355
0.110
Why?
Partial Thromboplastin Time
1
1993
9
0.100
Why?
Urokinase-Type Plasminogen Activator
1
1993
10
0.100
Why?
Treatment Outcome
6
2017
5310
0.100
Why?
Graft vs Host Disease
1
2014
105
0.100
Why?
Pain
1
1995
397
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
113
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
328
0.090
Why?
Lymph Nodes
1
2012
215
0.090
Why?
Anti-Bacterial Agents
1
2017
737
0.090
Why?
Polyps
1
2010
4
0.090
Why?
Reproducibility of Results
2
2014
1565
0.090
Why?
Gallbladder Diseases
1
2010
25
0.090
Why?
Acute Disease
2
2004
660
0.090
Why?
Adrenal Gland Neoplasms
1
2010
41
0.090
Why?
Hospitalization
1
2017
1296
0.080
Why?
Hepatectomy
1
2010
61
0.080
Why?
Emergency Service, Hospital
1
2017
1024
0.080
Why?
Equipment Failure
2
2007
63
0.080
Why?
Blood Volume
2
2008
42
0.080
Why?
Vascular Patency
3
2006
138
0.080
Why?
Case-Control Studies
2
2010
1058
0.080
Why?
Liver Diseases
1
2010
137
0.080
Why?
Angiography
4
2015
145
0.080
Why?
Bibliometrics
1
2008
27
0.070
Why?
Young Adult
2
2018
4285
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
5005
0.070
Why?
Injections
2
2005
76
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
180
0.060
Why?
Papaverine
1
2005
6
0.060
Why?
Alprostadil
1
2005
6
0.060
Why?
Phentolamine
1
2005
8
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
466
0.060
Why?
Administration, Oral
1
2005
354
0.060
Why?
Radiology
1
2008
238
0.060
Why?
Follow-Up Studies
3
2018
2346
0.060
Why?
Extravasation of Diagnostic and Therapeutic Materials
1
2003
16
0.050
Why?
Logistic Models
1
2007
1239
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
188
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
222
0.050
Why?
Mass Screening
1
2007
649
0.050
Why?
Recurrence
2
2001
605
0.050
Why?
Pancreaticojejunostomy
1
2001
5
0.050
Why?
Injections, Intralesional
1
2001
12
0.050
Why?
Equipment Design
1
2002
331
0.050
Why?
Computer Simulation
1
2003
459
0.040
Why?
Anastomosis, Surgical
1
2001
108
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
248
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
12
0.040
Why?
Ureter
1
1998
24
0.040
Why?
Costs and Cost Analysis
2
1995
98
0.030
Why?
Saphenous Vein
1
1997
51
0.030
Why?
Adolescent
2
1999
5862
0.030
Why?
Spleen
1
2018
480
0.030
Why?
Animals
3
2003
19686
0.030
Why?
Iliac Artery
1
1996
49
0.030
Why?
Veins
1
1996
61
0.030
Why?
Kidney
1
1998
414
0.030
Why?
Arterial Occlusive Diseases
1
1996
72
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
796
0.030
Why?
Atrophy
1
2014
76
0.030
Why?
Time Factors
2
2003
3625
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
68
0.020
Why?
Predictive Value of Tests
4
1997
1034
0.020
Why?
Carcinoma, Non-Small-Cell Lung
1
2014
147
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
1258
0.020
Why?
Wounds, Nonpenetrating
1
1992
105
0.020
Why?
Chronic Disease
1
2014
719
0.020
Why?
Lung
1
1996
921
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
332
0.020
Why?
Guidelines as Topic
1
2008
154
0.020
Why?
Biomarkers, Tumor
1
2010
461
0.020
Why?
Observer Variation
2
1998
205
0.020
Why?
Administration, Cutaneous
1
2001
28
0.010
Why?
Retreatment
1
2000
46
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
473
0.010
Why?
Ureteral Diseases
1
1998
3
0.010
Why?
Supine Position
1
1998
31
0.010
Why?
Kidney Pelvis
1
1998
10
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
20
0.010
Why?
Urinary Bladder
1
1998
38
0.010
Why?
Abdomen
1
1998
91
0.010
Why?
Mesenteric Arteries
1
1997
9
0.010
Why?
Kidney Diseases
1
1998
170
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
56
0.010
Why?
Muscle, Skeletal
1
1999
678
0.010
Why?
Blood Pressure
1
1996
497
0.010
Why?
Aortic Aneurysm, Abdominal
1
1996
241
0.010
Why?
Incidence
1
1996
1241
0.010
Why?
Longitudinal Studies
1
1996
1189
0.010
Why?
Mediastinal Diseases
1
1992
15
0.010
Why?
Magnetic Resonance Imaging
1
1995
2066
0.000
Why?
Neoplasms
1
1995
1235
0.000
Why?
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