[The Ryazan University School of Gastroenterology].
R E
RE
Kalinin
M A
MA
Butov
A A
AA
Nizov
D005762:Gastroenterology / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D012426:Russia; D012577:Schools, Medical / Q000266:history* / Q000458:organization & administration; D014495:Universities / Q000266:history*