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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
1615
1.670
Why?
Thrombin
6
2003
22
0.830
Why?
Ultrasonography, Doppler
3
2010
27
0.660
Why?
Aneurysm, False
6
2003
50
0.640
Why?
Postoperative Complications
6
2017
1302
0.630
Why?
Portasystemic Shunt, Transjugular Intrahepatic
2
2013
8
0.610
Why?
Hemostatics
4
2003
26
0.600
Why?
Portal Vein
4
2010
38
0.580
Why?
Adenocarcinoma
5
2008
342
0.540
Why?
Coronary Artery Disease
2
2014
310
0.540
Why?
Contrast Media
9
2015
425
0.520
Why?
Catheter Ablation
4
2012
152
0.500
Why?
Middle Aged
42
2018
17550
0.500
Why?
Catheterization
5
2007
111
0.500
Why?
Thrombophlebitis
4
1999
14
0.430
Why?
Radiographic Image Interpretation, Computer-Assisted
1
2014
71
0.420
Why?
Software
3
2014
389
0.420
Why?
Calcinosis
1
2014
84
0.420
Why?
Hypertension, Portal
1
2013
16
0.410
Why?
Coronary Angiography
1
2014
201
0.410
Why?
Surgery, Computer-Assisted
1
2013
58
0.400
Why?
Male
44
2018
29820
0.400
Why?
Femoral Artery
3
2003
110
0.400
Why?
Aged, 80 and over
19
2018
5449
0.390
Why?
Pancreas
2
2014
150
0.380
Why?
Mesenteric Lymphadenitis
1
2012
2
0.380
Why?
Liver Transplantation
2
2012
215
0.370
Why?
Liver Neoplasms
2
2012
297
0.370
Why?
Lymphoma, Non-Hodgkin
1
2012
53
0.360
Why?
Aged
26
2018
14392
0.360
Why?
Diagnostic Imaging
2
2013
264
0.360
Why?
Intestine, Small
2
2005
79
0.360
Why?
Female
41
2018
32790
0.360
Why?
Algorithms
3
2014
1000
0.350
Why?
Catheters, Indwelling
3
2007
69
0.340
Why?
Humans
58
2021
63292
0.340
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
345
0.320
Why?
Adult
25
2018
16785
0.320
Why?
Graft Occlusion, Vascular
3
2006
62
0.310
Why?
Pancreatic Neoplasms
4
2004
341
0.310
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
0.290
Why?
Sensitivity and Specificity
8
2014
1146
0.280
Why?
Diverticulitis, Colonic
1
2008
34
0.280
Why?
Aorta, Abdominal
2
1998
59
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
60
0.260
Why?
Carotid Artery Diseases
1
2007
66
0.260
Why?
Fibrin
1
2006
19
0.260
Why?
Incidental Findings
3
2018
44
0.250
Why?
Image Processing, Computer-Assisted
5
2008
659
0.250
Why?
Penile Erection
1
2005
7
0.250
Why?
Impotence, Vasculogenic
1
2005
3
0.250
Why?
Phosphodiesterase Inhibitors
1
2005
27
0.240
Why?
Image-Guided Biopsy
2
2017
43
0.240
Why?
Penis
1
2005
32
0.240
Why?
Stents
3
2010
491
0.240
Why?
Piperazines
1
2005
81
0.230
Why?
Cystic Duct
1
2004
5
0.230
Why?
Renal Dialysis
1
2006
198
0.230
Why?
Biopsy
2
2014
444
0.220
Why?
Cholecystitis
1
2004
29
0.220
Why?
Retrospective Studies
11
2021
6631
0.220
Why?
Thrombosis
2
2000
199
0.220
Why?
Cholestasis
1
2004
65
0.220
Why?
Tomography, Spiral Computed
1
2003
22
0.210
Why?
Tissue Plasminogen Activator
2
2006
126
0.210
Why?
Colonic Diseases
1
2003
34
0.210
Why?
Radiography, Abdominal
2
2017
26
0.210
Why?
Radiography, Interventional
3
2017
74
0.210
Why?
Ultrasonography
6
2010
482
0.210
Why?
Hemorheology
2
2000
6
0.200
Why?
Pulse
2
2002
16
0.200
Why?
Gastrointestinal Hemorrhage
1
2003
78
0.200
Why?
Ultrasonic Therapy
1
2002
8
0.200
Why?
Bronchial Arteries
1
2002
3
0.200
Why?
Hemoptysis
1
2002
8
0.190
Why?
Ultrasonography, Interventional
1
2003
107
0.190
Why?
Gastric Fistula
1
2002
4
0.190
Why?
Cutaneous Fistula
1
2002
7
0.190
Why?
Feasibility Studies
4
2008
568
0.190
Why?
Cardiac Catheterization
2
2001
281
0.180
Why?
Lung Neoplasms
2
2021
668
0.180
Why?
Device Removal
1
2002
67
0.180
Why?
Prospective Studies
6
2008
3283
0.180
Why?
Venous Thrombosis
1
2002
115
0.180
Why?
Fistula
1
2001
13
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?
Radiosurgery
1
2021
62
0.170
Why?
Liver Circulation
1
2000
11
0.170
Why?
Brachial Artery
2
1999
29
0.170
Why?
Plasminogen Activators
1
2000
10
0.160
Why?
Radiography
3
2012
548
0.160
Why?
Skin Diseases
1
2001
82
0.160
Why?
Injections, Intravenous
4
2005
156
0.160
Why?
Pulmonary Embolism
2
1999
172
0.160
Why?
Fiducial Markers
2
2021
4
0.150
Why?
Embolization, Therapeutic
1
2002
318
0.150
Why?
Cholangiopancreatography, Endoscopic Retrograde
1
1998
47
0.150
Why?
Thoracic Neoplasms
1
1998
13
0.150
Why?
Abdominal Neoplasms
1
1998
22
0.140
Why?
Splenic Neoplasms
1
2018
8
0.140
Why?
Thrombectomy
1
2000
234
0.140
Why?
Ultrasonography, Doppler, Duplex
4
2015
50
0.130
Why?
Ultrasonography, Doppler, Color
4
2001
25
0.130
Why?
Renal Artery
1
1996
37
0.130
Why?
Diagnosis, Differential
2
2010
973
0.130
Why?
Diverticulum, Colon
1
1995
4
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
0.120
Why?
Vascular Neoplasms
1
2015
17
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
59
0.110
Why?
Software Validation
1
2014
9
0.110
Why?
Statistics, Nonparametric
2
2005
214
0.110
Why?
Forearm
1
1994
21
0.110
Why?
Vascular Diseases
2
1995
81
0.110
Why?
Radiographic Image Enhancement
1
2014
98
0.110
Why?
Pneumothorax
1
2014
50
0.100
Why?
Hand
1
1994
74
0.100
Why?
Swine
3
2003
374
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
111
0.100
Why?
Pain
1
1995
406
0.100
Why?
Treatment Outcome
6
2017
5654
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
200
0.090
Why?
Hemorrhage
2
1993
267
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
190
0.090
Why?
Hot Temperature
1
2012
130
0.090
Why?
Hematopoietic Stem Cell Transplantation
1
2014
349
0.090
Why?
Lymph Nodes
1
2012
224
0.090
Why?
Polyps
1
2010
4
0.090
Why?
Anti-Bacterial Agents
1
2017
785
0.090
Why?
Gallbladder Diseases
1
2010
25
0.080
Why?
Acute Disease
2
2004
672
0.080
Why?
Reproducibility of Results
2
2014
1650
0.080
Why?
Adrenal Gland Neoplasms
1
2010
43
0.080
Why?
Hospitalization
1
2017
1359
0.080
Why?
Hepatectomy
1
2010
63
0.080
Why?
Equipment Failure
2
2007
67
0.080
Why?
Blood Volume
2
2008
42
0.080
Why?
Emergency Service, Hospital
1
2017
1100
0.080
Why?
Vascular Patency
3
2006
139
0.080
Why?
Case-Control Studies
2
2010
1120
0.070
Why?
Liver Diseases
1
2010
155
0.070
Why?
Angiography
4
2015
152
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
4686
0.070
Why?
Injections
2
2005
81
0.070
Why?
Blood Flow Velocity
2
2005
72
0.070
Why?
Risk Factors
3
2012
5343
0.070
Why?
Atherectomy
2
1997
12
0.070
Why?
Kinetics
1
2008
760
0.060
Why?
Elective Surgical Procedures
1
2007
123
0.060
Why?
Preoperative Care
1
2007
192
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
297
0.060
Why?
Patient Selection
1
2007
488
0.060
Why?
Administration, Oral
1
2005
369
0.060
Why?
Radiology
1
2008
252
0.050
Why?
Follow-Up Studies
3
2018
2457
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
1274
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
191
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
236
0.050
Why?
Recurrence
2
2001
640
0.050
Why?
Mass Screening
1
2007
690
0.040
Why?
Pancreaticojejunostomy
1
2001
5
0.040
Why?
Injections, Intralesional
1
2001
14
0.040
Why?
Equipment Design
1
2002
349
0.040
Why?
Computer Simulation
1
2003
477
0.040
Why?
Anastomosis, Surgical
1
2001
114
0.040
Why?
Heart
1
2002
281
0.040
Why?
Mesenteric Artery, Superior
1
2000
14
0.040
Why?
Intermittent Claudication
2
1997
56
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
111
0.040
Why?
Pancreatic Diseases
1
1998
39
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
0.040
Why?
Costs and Cost Analysis
2
1995
102
0.030
Why?
Saphenous Vein
1
1997
52
0.030
Why?
Spleen
1
2018
483
0.030
Why?
Adolescent
2
1999
6241
0.030
Why?
Iliac Artery
1
1996
49
0.030
Why?
Animals
3
2003
20622
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
851
0.030
Why?
Atrophy
1
2014
83
0.030
Why?
Prosthesis Implantation
1
2014
32
0.030
Why?
Time Factors
2
2003
3761
0.030
Why?
Health Services Needs and Demand
1
1995
209
0.030
Why?
Fibrinogen
1
1993
32
0.020
Why?
Respiratory Sounds
1
2012
22
0.020
Why?
Hematoma
1
1993
80
0.020
Why?
Predictive Value of Tests
4
1997
1082
0.020
Why?
Carcinoma, Non-Small-Cell Lung
1
2014
166
0.020
Why?
Aorta, Thoracic
1
1992
81
0.020
Why?
Aortic Rupture
1
1992
54
0.020
Why?
Thoracic Injuries
1
1992
43
0.020
Why?
Drug Therapy, Combination
1
1993
463
0.020
Why?
Prevalence
1
1995
1377
0.020
Why?
Wounds, Nonpenetrating
1
1992
108
0.020
Why?
Chronic Disease
1
2014
753
0.020
Why?
Lung
1
1996
946
0.020
Why?
Gallbladder Neoplasms
1
2010
16
0.020
Why?
Cholecystectomy
1
2010
34
0.020
Why?
Critical Illness
1
2012
322
0.020
Why?
Pressure
2
2000
79
0.020
Why?
Guidelines as Topic
1
2008
158
0.020
Why?
Biomarkers, Tumor
1
2010
506
0.020
Why?
Observer Variation
2
1998
213
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
58
0.010
Why?
Therapy, Computer-Assisted
1
1999
23
0.010
Why?
Angioplasty, Balloon, Coronary
1
2000
168
0.010
Why?
Necrosis
1
1999
143
0.010
Why?
Cattle
1
1999
308
0.010
Why?
Kidney Calices
1
1998
1
0.010
Why?
In Vitro Techniques
1
1999
488
0.010
Why?
Ureteral Diseases
1
1998
3
0.010
Why?
Supine Position
1
1998
32
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
177
0.010
Why?
Life Tables
1
1996
23
0.010
Why?
Ankle
1
1996
28
0.010
Why?
Radionuclide Imaging
1
1996
121
0.010
Why?
Physical Examination
1
1996
112
0.010
Why?
Aneurysm
1
1996
60
0.010
Why?
Muscle, Skeletal
1
1999
738
0.010
Why?
Blood Pressure
1
1996
509
0.010
Why?
Aortic Aneurysm, Abdominal
1
1996
249
0.010
Why?
Longitudinal Studies
1
1996
1255
0.010
Why?
Mediastinal Diseases
1
1992
15
0.010
Why?
Incidence
1
1996
1376
0.010
Why?
Magnetic Resonance Imaging
1
1995
2167
0.000
Why?
Neoplasms
1
1995
1361
0.000
Why?
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