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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
1647
1.660
Why?
Thrombin
6
2003
22
0.820
Why?
Ultrasonography, Doppler
3
2010
27
0.650
Why?
Aneurysm, False
6
2003
52
0.640
Why?
Postoperative Complications
6
2017
1311
0.630
Why?
Portasystemic Shunt, Transjugular Intrahepatic
2
2013
8
0.610
Why?
Hemostatics
4
2003
26
0.590
Why?
Portal Vein
4
2010
38
0.580
Why?
Adenocarcinoma
5
2008
349
0.530
Why?
Coronary Artery Disease
2
2014
316
0.530
Why?
Contrast Media
9
2015
426
0.510
Why?
Middle Aged
42
2018
17644
0.500
Why?
Catheter Ablation
4
2012
155
0.500
Why?
Catheterization
5
2007
113
0.490
Why?
Thrombophlebitis
4
1999
14
0.420
Why?
Radiographic Image Interpretation, Computer-Assisted
1
2014
71
0.420
Why?
Software
3
2014
390
0.410
Why?
Hypertension, Portal
1
2013
16
0.410
Why?
Calcinosis
1
2014
85
0.410
Why?
Coronary Angiography
1
2014
206
0.400
Why?
Surgery, Computer-Assisted
1
2013
59
0.400
Why?
Male
44
2018
29927
0.400
Why?
Femoral Artery
3
2003
112
0.390
Why?
Aged, 80 and over
19
2018
5474
0.380
Why?
Pancreas
2
2014
152
0.380
Why?
Mesenteric Lymphadenitis
1
2012
2
0.370
Why?
Liver Transplantation
2
2012
216
0.370
Why?
Liver Neoplasms
2
2012
297
0.370
Why?
Lymphoma, Non-Hodgkin
1
2012
53
0.360
Why?
Aged
26
2018
14472
0.360
Why?
Diagnostic Imaging
2
2013
264
0.360
Why?
Female
41
2018
32912
0.350
Why?
Intestine, Small
2
2005
80
0.350
Why?
Algorithms
3
2014
1003
0.350
Why?
Catheters, Indwelling
3
2007
69
0.340
Why?
Humans
58
2021
63511
0.330
Why?
Mesenteric Vascular Occlusion
2
2000
14
0.330
Why?
Carcinoma, Hepatocellular
1
2012
178
0.320
Why?
Femoral Vein
2
2007
19
0.320
Why?
Neoplasm Recurrence, Local
1
2012
346
0.320
Why?
Adult
25
2018
16837
0.310
Why?
Graft Occlusion, Vascular
3
2006
62
0.310
Why?
Pancreatic Neoplasms
4
2004
341
0.300
Why?
Iopamidol
3
2012
13
0.300
Why?
Sigmoid Neoplasms
1
2008
2
0.290
Why?
Catheterization, Central Venous
3
2006
87
0.290
Why?
Sigmoid Diseases
1
2008
6
0.280
Why?
Sensitivity and Specificity
8
2014
1147
0.280
Why?
Diverticulitis, Colonic
1
2008
35
0.280
Why?
Aorta, Abdominal
2
1998
61
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?
Iatrogenic Disease
3
2003
61
0.260
Why?
Carotid Artery Diseases
1
2007
66
0.260
Why?
Fibrin
1
2006
19
0.250
Why?
Incidental Findings
3
2018
44
0.250
Why?
Image Processing, Computer-Assisted
5
2008
658
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
43
0.240
Why?
Penis
1
2005
33
0.240
Why?
Stents
3
2010
502
0.240
Why?
Piperazines
1
2005
81
0.230
Why?
Cystic Duct
1
2004
5
0.220
Why?
Renal Dialysis
1
2006
196
0.220
Why?
Biopsy
2
2014
444
0.220
Why?
Cholecystitis
1
2004
30
0.220
Why?
Retrospective Studies
11
2021
6673
0.220
Why?
Thrombosis
2
2000
199
0.220
Why?
Cholestasis
1
2004
65
0.210
Why?
Tomography, Spiral Computed
1
2003
22
0.210
Why?
Tissue Plasminogen Activator
2
2006
127
0.210
Why?
Colonic Diseases
1
2003
34
0.200
Why?
Radiography, Abdominal
2
2017
26
0.200
Why?
Ultrasonography
6
2010
485
0.200
Why?
Radiography, Interventional
3
2017
76
0.200
Why?
Hemorheology
2
2000
6
0.200
Why?
Pulse
2
2002
16
0.200
Why?
Gastrointestinal Hemorrhage
1
2003
79
0.200
Why?
Ultrasonic Therapy
1
2002
8
0.200
Why?
Bronchial Arteries
1
2002
3
0.190
Why?
Hemoptysis
1
2002
8
0.190
Why?
Ultrasonography, Interventional
1
2003
109
0.190
Why?
Gastric Fistula
1
2002
4
0.190
Why?
Cutaneous Fistula
1
2002
7
0.190
Why?
Feasibility Studies
4
2008
572
0.190
Why?
Cardiac Catheterization
2
2001
286
0.180
Why?
Device Removal
1
2002
68
0.180
Why?
Lung Neoplasms
2
2021
676
0.180
Why?
Prospective Studies
6
2008
3301
0.180
Why?
Venous Thrombosis
1
2002
115
0.180
Why?
Fistula
1
2001
14
0.180
Why?
Pancreatic Fistula
1
2001
18
0.180
Why?
Splanchnic Circulation
2
2000
16
0.170
Why?
Pancreaticoduodenectomy
1
2001
64
0.170
Why?
Liver Circulation
1
2000
11
0.170
Why?
Radiosurgery
1
2021
63
0.170
Why?
Brachial Artery
2
1999
29
0.170
Why?
Plasminogen Activators
1
2000
10
0.160
Why?
Radiography
3
2012
550
0.160
Why?
Skin Diseases
1
2001
82
0.160
Why?
Injections, Intravenous
4
2005
156
0.160
Why?
Pulmonary Embolism
2
1999
174
0.160
Why?
Fiducial Markers
2
2021
4
0.150
Why?
Embolization, Therapeutic
1
2002
322
0.150
Why?
Cholangiopancreatography, Endoscopic Retrograde
1
1998
47
0.150
Why?
Thoracic Neoplasms
1
1998
13
0.140
Why?
Abdominal Neoplasms
1
1998
22
0.140
Why?
Splenic Neoplasms
1
2018
8
0.140
Why?
Thrombectomy
1
2000
238
0.140
Why?
Ultrasonography, Doppler, Duplex
4
2015
50
0.130
Why?
Ultrasonography, Doppler, Color
4
2001
25
0.130
Why?
Diagnosis, Differential
2
2010
980
0.130
Why?
Renal Artery
1
1996
38
0.130
Why?
Diverticulum, Colon
1
1995
5
0.120
Why?
Drainage
1
2017
154
0.120
Why?
Phlebography
3
2010
44
0.120
Why?
Bacterial Infections
1
2017
149
0.120
Why?
Liposarcoma
1
2015
8
0.120
Why?
Ambulatory Care
1
2017
311
0.110
Why?
Vascular Neoplasms
1
2015
18
0.110
Why?
Vena Cava, Inferior
1
2015
33
0.110
Why?
Models, Theoretical
2
2008
268
0.110
Why?
Regional Blood Flow
2
2008
112
0.110
Why?
Aortography
3
2008
62
0.110
Why?
Software Validation
1
2014
9
0.110
Why?
Statistics, Nonparametric
2
2005
215
0.110
Why?
Forearm
1
1994
22
0.110
Why?
Vascular Diseases
2
1995
81
0.110
Why?
Radiographic Image Enhancement
1
2014
98
0.100
Why?
Pneumothorax
1
2014
50
0.100
Why?
Hand
1
1994
74
0.100
Why?
Swine
3
2003
380
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
113
0.100
Why?
Pain
1
1995
406
0.100
Why?
Treatment Outcome
6
2017
5699
0.100
Why?
Mucocele
1
2012
2
0.100
Why?
Esophageal Diseases
1
2012
16
0.100
Why?
Respiration Disorders
1
2012
25
0.100
Why?
Treatment Failure
2
2003
201
0.090
Why?
Hemorrhage
2
1993
268
0.090
Why?
Hepatic Artery
1
2012
20
0.090
Why?
Heparin
1
1993
116
0.090
Why?
Constriction, Pathologic
2
2010
129
0.090
Why?
Thrombolytic Therapy
1
1993
191
0.090
Why?
Hot Temperature
1
2012
130
0.090
Why?
Hematopoietic Stem Cell Transplantation
1
2014
352
0.090
Why?
Lymph Nodes
1
2012
226
0.090
Why?
Polyps
1
2010
4
0.080
Why?
Anti-Bacterial Agents
1
2017
790
0.080
Why?
Gallbladder Diseases
1
2010
27
0.080
Why?
Acute Disease
2
2004
672
0.080
Why?
Reproducibility of Results
2
2014
1655
0.080
Why?
Adrenal Gland Neoplasms
1
2010
44
0.080
Why?
Hospitalization
1
2017
1364
0.080
Why?
Hepatectomy
1
2010
63
0.080
Why?
Equipment Failure
2
2007
68
0.080
Why?
Blood Volume
2
2008
41
0.080
Why?
Emergency Service, Hospital
1
2017
1102
0.080
Why?
Vascular Patency
3
2006
141
0.080
Why?
Case-Control Studies
2
2010
1119
0.070
Why?
Liver Diseases
1
2010
156
0.070
Why?
Angiography
4
2015
153
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
30
0.070
Why?
Young Adult
2
2018
4700
0.070
Why?
Injections
2
2005
82
0.070
Why?
Blood Flow Velocity
2
2005
72
0.070
Why?
Risk Factors
3
2012
5359
0.070
Why?
Atherectomy
2
1997
12
0.060
Why?
Kinetics
1
2008
763
0.060
Why?
Elective Surgical Procedures
1
2007
124
0.060
Why?
Preoperative Care
1
2007
193
0.060
Why?
Alprostadil
1
2005
6
0.060
Why?
Phentolamine
1
2005
7
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
39
0.060
Why?
Periodicals as Topic
1
2008
175
0.060
Why?
Purines
1
2005
42
0.060
Why?
Coronary Artery Bypass
1
2007
299
0.060
Why?
Patient Selection
1
2007
490
0.060
Why?
Administration, Oral
1
2005
369
0.050
Why?
Radiology
1
2008
253
0.050
Why?
Follow-Up Studies
3
2018
2462
0.050
Why?
Extravasation of Diagnostic and Therapeutic Materials
1
2003
16
0.050
Why?
Vena Cava Filters
1
2003
23
0.050
Why?
Logistic Models
1
2007
1276
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
192
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
237
0.050
Why?
Recurrence
2
2001
644
0.040
Why?
Mass Screening
1
2007
694
0.040
Why?
Pancreaticojejunostomy
1
2001
5
0.040
Why?
Injections, Intralesional
1
2001
14
0.040
Why?
Equipment Design
1
2002
358
0.040
Why?
Computer Simulation
1
2003
478
0.040
Why?
Anastomosis, Surgical
1
2001
115
0.040
Why?
Heart
1
2002
283
0.040
Why?
Mesenteric Artery, Superior
1
2000
14
0.040
Why?
Intermittent Claudication
2
1997
56
0.040
Why?
Neoplasm Invasiveness
2
1997
279
0.040
Why?
Leg
2
1996
88
0.040
Why?
Common Bile Duct Diseases
1
1998
10
0.040
Why?
Pancreatic Diseases
1
1998
38
0.040
Why?
Aortic Aneurysm, Thoracic
1
2000
116
0.040
Why?
Pancreatic Ducts
1
1998
30
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
484
0.030
Why?
Adolescent
2
1999
6248
0.030
Why?
Animals
3
2003
20666
0.030
Why?
Iliac Artery
1
1996
49
0.030
Why?
Arterial Occlusive Diseases
1
1996
74
0.030
Why?
Veins
1
1996
64
0.030
Why?
Kidney
1
1998
447
0.030
Why?
Aortic Diseases
1
1996
74
0.030
Why?
Causality
1
1995
58
0.030
Why?
Thromboembolism
1
1996
73
0.030
Why?
Radiology, Interventional
1
1995
32
0.030
Why?
Liver
1
1999
855
0.030
Why?
Atrophy
1
2014
83
0.030
Why?
Prosthesis Implantation
1
2014
32
0.030
Why?
Time Factors
2
2003
3770
0.030
Why?
Health Services Needs and Demand
1
1995
210
0.030
Why?
Fibrinogen
1
1993
33
0.020
Why?
Respiratory Sounds
1
2012
22
0.020
Why?
Hematoma
1
1993
81
0.020
Why?
Predictive Value of Tests
4
1997
1094
0.020
Why?
Carcinoma, Non-Small-Cell Lung
1
2014
168
0.020
Why?
Aortic Rupture
1
1992
55
0.020
Why?
Aorta, Thoracic
1
1992
84
0.020
Why?
Thoracic Injuries
1
1992
45
0.020
Why?
Drug Therapy, Combination
1
1993
466
0.020
Why?
Prevalence
1
1995
1383
0.020
Why?
Wounds, Nonpenetrating
1
1992
111
0.020
Why?
Chronic Disease
1
2014
753
0.020
Why?
Gallbladder Neoplasms
1
2010
16
0.020
Why?
Lung
1
1996
956
0.020
Why?
Cholecystectomy
1
2010
34
0.020
Why?
Critical Illness
1
2012
321
0.020
Why?
Pressure
2
2000
79
0.020
Why?
Guidelines as Topic
1
2008
157
0.020
Why?
Biomarkers, Tumor
1
2010
508
0.020
Why?
Observer Variation
2
1998
214
0.020
Why?
Administration, Cutaneous
1
2001
32
0.010
Why?
Retreatment
1
2000
47
0.010
Why?
Transducers
1
2000
26
0.010
Why?
Angioplasty, Balloon
1
2000
59
0.010
Why?
Therapy, Computer-Assisted
1
1999
23
0.010
Why?
Angioplasty, Balloon, Coronary
1
2000
168
0.010
Why?
Necrosis
1
1999
145
0.010
Why?
Cattle
1
1999
310
0.010
Why?
Kidney Calices
1
1998
1
0.010
Why?
In Vitro Techniques
1
1999
490
0.010
Why?
Ureteral Diseases
1
1998
3
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
104
0.010
Why?
Hematuria
1
1998
21
0.010
Why?
Urinary Bladder
1
1998
45
0.010
Why?
Abdomen
1
1998
91
0.010
Why?
Mesenteric Arteries
1
1997
10
0.010
Why?
Kidney Diseases
1
1998
176
0.010
Why?
Life Tables
1
1996
23
0.010
Why?
Ankle
1
1996
28
0.010
Why?
Radionuclide Imaging
1
1996
125
0.010
Why?
Physical Examination
1
1996
111
0.010
Why?
Aneurysm
1
1996
60
0.010
Why?
Muscle, Skeletal
1
1999
741
0.010
Why?
Blood Pressure
1
1996
512
0.010
Why?
Aortic Aneurysm, Abdominal
1
1996
255
0.010
Why?
Longitudinal Studies
1
1996
1256
0.010
Why?
Mediastinal Diseases
1
1992
15
0.010
Why?
Incidence
1
1996
1380
0.010
Why?
Magnetic Resonance Imaging
1
1995
2173
0.000
Why?
Neoplasms
1
1995
1364
0.000
Why?
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