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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
1594
1.700
Why?
Thrombin
6
2003
22
0.840
Why?
Ultrasonography, Doppler
3
2010
27
0.670
Why?
Aneurysm, False
6
2003
50
0.650
Why?
Postoperative Complications
6
2017
1293
0.640
Why?
Portasystemic Shunt, Transjugular Intrahepatic
2
2013
8
0.620
Why?
Hemostatics
4
2003
26
0.610
Why?
Portal Vein
4
2010
38
0.590
Why?
Adenocarcinoma
5
2008
338
0.550
Why?
Coronary Artery Disease
2
2014
309
0.540
Why?
Contrast Media
9
2015
422
0.520
Why?
Middle Aged
42
2018
17410
0.510
Why?
Catheter Ablation
4
2012
153
0.510
Why?
Catheterization
5
2007
111
0.500
Why?
Thrombophlebitis
4
1999
14
0.430
Why?
Radiographic Image Interpretation, Computer-Assisted
1
2014
71
0.430
Why?
Hypertension, Portal
1
2013
14
0.420
Why?
Software
3
2014
386
0.420
Why?
Calcinosis
1
2014
83
0.420
Why?
Coronary Angiography
1
2014
201
0.410
Why?
Surgery, Computer-Assisted
1
2013
58
0.410
Why?
Male
44
2018
29594
0.400
Why?
Femoral Artery
3
2003
110
0.400
Why?
Aged, 80 and over
19
2018
5413
0.390
Why?
Pancreas
2
2014
150
0.390
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
0.370
Why?
Aged
26
2018
14278
0.360
Why?
Diagnostic Imaging
2
2013
263
0.360
Why?
Intestine, Small
2
2005
79
0.360
Why?
Female
41
2018
32587
0.360
Why?
Algorithms
3
2014
1001
0.350
Why?
Catheters, Indwelling
3
2007
69
0.340
Why?
Humans
58
2021
62934
0.340
Why?
Mesenteric Vascular Occlusion
2
2000
14
0.340
Why?
Carcinoma, Hepatocellular
1
2012
178
0.330
Why?
Femoral Vein
2
2007
19
0.330
Why?
Neoplasm Recurrence, Local
1
2012
335
0.320
Why?
Adult
25
2018
16664
0.320
Why?
Graft Occlusion, Vascular
3
2006
62
0.320
Why?
Pancreatic Neoplasms
4
2004
340
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
1142
0.290
Why?
Diverticulitis, Colonic
1
2008
34
0.280
Why?
Aorta, Abdominal
2
1998
59
0.280
Why?
Terminology as Topic
2
2000
140
0.270
Why?
Common Bile Duct
2
2004
19
0.270
Why?
Carotid Arteries
1
2007
61
0.270
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?
Penile Erection
1
2005
7
0.250
Why?
Impotence, Vasculogenic
1
2005
3
0.250
Why?
Phosphodiesterase Inhibitors
1
2005
27
0.250
Why?
Image Processing, Computer-Assisted
5
2008
666
0.250
Why?
Image-Guided Biopsy
2
2017
42
0.250
Why?
Penis
1
2005
32
0.240
Why?
Stents
3
2010
487
0.240
Why?
Piperazines
1
2005
81
0.240
Why?
Cystic Duct
1
2004
5
0.230
Why?
Renal Dialysis
1
2006
198
0.230
Why?
Biopsy
2
2014
431
0.230
Why?
Cholecystitis
1
2004
29
0.220
Why?
Retrospective Studies
11
2021
6556
0.220
Why?
Thrombosis
2
2000
199
0.220
Why?
Cholestasis
1
2004
59
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
479
0.210
Why?
Hemorheology
2
2000
6
0.210
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
0.200
Why?
Ultrasonography, Interventional
1
2003
103
0.200
Why?
Hemoptysis
1
2002
8
0.200
Why?
Gastric Fistula
1
2002
4
0.190
Why?
Cutaneous Fistula
1
2002
7
0.190
Why?
Feasibility Studies
4
2008
562
0.190
Why?
Cardiac Catheterization
2
2001
281
0.190
Why?
Lung Neoplasms
2
2021
660
0.180
Why?
Device Removal
1
2002
65
0.180
Why?
Prospective Studies
6
2008
3263
0.180
Why?
Fistula
1
2001
13
0.180
Why?
Venous Thrombosis
1
2002
114
0.180
Why?
Pancreatic Fistula
1
2001
18
0.180
Why?
Splanchnic Circulation
2
2000
16
0.180
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
0.170
Why?
Radiography
3
2012
539
0.170
Why?
Skin Diseases
1
2001
83
0.160
Why?
Injections, Intravenous
4
2005
156
0.160
Why?
Pulmonary Embolism
2
1999
172
0.160
Why?
Fiducial Markers
2
2021
4
0.160
Why?
Embolization, Therapeutic
1
2002
314
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
0.150
Why?
Splenic Neoplasms
1
2018
8
0.140
Why?
Thrombectomy
1
2000
227
0.140
Why?
Ultrasonography, Doppler, Duplex
4
2015
50
0.140
Why?
Ultrasonography, Doppler, Color
4
2001
25
0.130
Why?
Renal Artery
1
1996
34
0.130
Why?
Diagnosis, Differential
2
2010
968
0.130
Why?
Diverticulum, Colon
1
1995
4
0.130
Why?
Drainage
1
2017
154
0.120
Why?
Phlebography
3
2010
44
0.120
Why?
Bacterial Infections
1
2017
148
0.120
Why?
Liposarcoma
1
2015
8
0.120
Why?
Ambulatory Care
1
2017
311
0.120
Why?
Vascular Neoplasms
1
2015
17
0.120
Why?
Vena Cava, Inferior
1
2015
32
0.110
Why?
Regional Blood Flow
2
2008
112
0.110
Why?
Aortography
3
2008
59
0.110
Why?
Models, Theoretical
2
2008
271
0.110
Why?
Software Validation
1
2014
9
0.110
Why?
Statistics, Nonparametric
2
2005
212
0.110
Why?
Forearm
1
1994
19
0.110
Why?
Vascular Diseases
2
1995
81
0.110
Why?
Radiographic Image Enhancement
1
2014
98
0.110
Why?
Hand
1
1994
72
0.110
Why?
Pneumothorax
1
2014
50
0.100
Why?
Swine
3
2003
370
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
403
0.100
Why?
Treatment Outcome
6
2017
5606
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
199
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
121
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
223
0.090
Why?
Polyps
1
2010
4
0.090
Why?
Anti-Bacterial Agents
1
2017
787
0.090
Why?
Gallbladder Diseases
1
2010
25
0.090
Why?
Acute Disease
2
2004
671
0.080
Why?
Reproducibility of Results
2
2014
1638
0.080
Why?
Adrenal Gland Neoplasms
1
2010
43
0.080
Why?
Hospitalization
1
2017
1348
0.080
Why?
Hepatectomy
1
2010
63
0.080
Why?
Equipment Failure
2
2007
65
0.080
Why?
Blood Volume
2
2008
42
0.080
Why?
Emergency Service, Hospital
1
2017
1079
0.080
Why?
Vascular Patency
3
2006
139
0.080
Why?
Case-Control Studies
2
2010
1114
0.080
Why?
Liver Diseases
1
2010
154
0.080
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
4646
0.070
Why?
Injections
2
2005
81
0.070
Why?
Blood Flow Velocity
2
2005
72
0.070
Why?
Risk Factors
3
2012
5311
0.070
Why?
Atherectomy
2
1997
12
0.070
Why?
Kinetics
1
2008
764
0.070
Why?
Elective Surgical Procedures
1
2007
117
0.060
Why?
Preoperative Care
1
2007
190
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
38
0.060
Why?
Periodicals as Topic
1
2008
174
0.060
Why?
Purines
1
2005
42
0.060
Why?
Coronary Artery Bypass
1
2007
297
0.060
Why?
Patient Selection
1
2007
482
0.060
Why?
Administration, Oral
1
2005
368
0.060
Why?
Radiology
1
2008
251
0.050
Why?
Follow-Up Studies
3
2018
2446
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
1269
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
638
0.050
Why?
Mass Screening
1
2007
687
0.050
Why?
Pancreaticojejunostomy
1
2001
5
0.050
Why?
Injections, Intralesional
1
2001
14
0.050
Why?
Equipment Design
1
2002
348
0.040
Why?
Computer Simulation
1
2003
478
0.040
Why?
Anastomosis, Surgical
1
2001
112
0.040
Why?
Mesenteric Artery, Superior
1
2000
14
0.040
Why?
Heart
1
2002
282
0.040
Why?
Intermittent Claudication
2
1997
56
0.040
Why?
Neoplasm Invasiveness
2
1997
274
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
34
0.040
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
6193
0.030
Why?
Iliac Artery
1
1996
49
0.030
Why?
Animals
3
2003
20646
0.030
Why?
Arterial Occlusive Diseases
1
1996
74
0.030
Why?
Veins
1
1996
64
0.030
Why?
Kidney
1
1998
444
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
847
0.030
Why?
Atrophy
1
2014
83
0.030
Why?
Prosthesis Implantation
1
2014
33
0.030
Why?
Time Factors
2
2003
3748
0.030
Why?
Health Services Needs and Demand
1
1995
208
0.030
Why?
Fibrinogen
1
1993
32
0.030
Why?
Respiratory Sounds
1
2012
21
0.020
Why?
Hematoma
1
1993
79
0.020
Why?
Predictive Value of Tests
4
1997
1079
0.020
Why?
Carcinoma, Non-Small-Cell Lung
1
2014
162
0.020
Why?
Aortic Rupture
1
1992
54
0.020
Why?
Aorta, Thoracic
1
1992
82
0.020
Why?
Thoracic Injuries
1
1992
46
0.020
Why?
Drug Therapy, Combination
1
1993
463
0.020
Why?
Prevalence
1
1995
1365
0.020
Why?
Wounds, Nonpenetrating
1
1992
108
0.020
Why?
Chronic Disease
1
2014
751
0.020
Why?
Gallbladder Neoplasms
1
2010
16
0.020
Why?
Lung
1
1996
942
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
156
0.020
Why?
Biomarkers, Tumor
1
2010
503
0.020
Why?
Observer Variation
2
1998
211
0.020
Why?
Administration, Cutaneous
1
2001
31
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
144
0.010
Why?
Cattle
1
1999
309
0.010
Why?
Kidney Calices
1
1998
1
0.010
Why?
Ureteral Diseases
1
1998
3
0.010
Why?
In Vitro Techniques
1
1999
487
0.010
Why?
Supine Position
1
1998
32
0.010
Why?
Kidney Pelvis
1
1998
12
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
22
0.010
Why?
Urinary Bladder
1
1998
44
0.010
Why?
Abdomen
1
1998
92
0.010
Why?
Mesenteric Arteries
1
1997
10
0.010
Why?
Kidney Diseases
1
1998
174
0.010
Why?
Life Tables
1
1996
23
0.010
Why?
Ankle
1
1996
28
0.010
Why?
Radionuclide Imaging
1
1996
122
0.010
Why?
Physical Examination
1
1996
112
0.010
Why?
Aneurysm
1
1996
60
0.010
Why?
Muscle, Skeletal
1
1999
739
0.010
Why?
Blood Pressure
1
1996
509
0.010
Why?
Aortic Aneurysm, Abdominal
1
1996
244
0.010
Why?
Longitudinal Studies
1
1996
1250
0.010
Why?
Mediastinal Diseases
1
1992
15
0.010
Why?
Incidence
1
1996
1374
0.010
Why?
Magnetic Resonance Imaging
1
1995
2153
0.000
Why?
Neoplasms
1
1995
1350
0.000
Why?
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