[N. I. Pirogov on the main qualities of the scientist].
D003148:Communism / Q000266:history; D049673:History, 20th Century; D010686:Philosophy, Medical / Q000266:history*; D012425:Russia (Pre-1917); D012586:Science / Q000193:education
N. I. Pirogov ob osnovnykh kachestvakh uchenogo.