The "AD Scientific Index" analyses the academic work of scientists using the H-index, i10 index and number of citations, and provides results that can be used to evaluate the productivity and efficiency of individuals and institutions. In addition to ranking according to "total H-index" for individuals and institutions, you can also see the ranking and analyses according to "last 6 years H-index"and Subject Rankings.
![Satish Rao](https://cdn.adscientificindex.com/pictures/db/846947.jpg)
Gastroenterology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
99
63
0.636
![Kenneth J Vega](https://cdn.adscientificindex.com/pictures/fe/846500.jpg)
GERD
Barrett's esophagus
esophageal adenocarcinoma
disparities
ethnicity
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591
![Asad Jehangir](https://cdn.adscientificindex.com/pictures/40/847462.jpg)
Gastroenterology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
![Amol Sharma](https://cdn.adscientificindex.com/pictures/18/846513.jpg)
Neurogastroenterology & Motility
Disorders of Gut-Brain Interaction
Gastroparesis
Parkinson’s disease
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
![Tennekoon Buddhika Karunaratne](/user/assets/images/profile/no-profile-photo.png)
Neurogastroenterology
Neuroscience
Neuromodulation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
![John Erikson L Yap](https://cdn.adscientificindex.com/pictures/c2/5230295.jpg)
Gastroenterology and Hepatology
Obesity Medicine
Internal Medicine
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
![Adil Ghafoor](/user/assets/images/profile/no-profile-photo.png)
Gastroenterology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Satish Rao
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
99
63
0.636
Kenneth J Vega
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591
GERD
Barrett's esophagus
esophageal adenocarcinoma
disparities
ethnicity
Asad Jehangir
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
Amol Sharma
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
Neurogastroenterology & Motility
Disorders of Gut-Brain Interaction
Gastroparesis
Parkinson’s disease
Tennekoon Buddhika Karunaratne
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
Neurogastroenterology
Neuroscience
Neuromodulation
John Erikson L Yap
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Gastroenterology and Hepatology
Obesity Medicine
Internal Medicine
Adil Ghafoor
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000