[The medical theme in Chekhov's letters (on the 125th anniversary of his birth)].
D005197:Famous Persons; D049672:History, 19th Century; D008093:Literature, Modern / Q000266:history*; D012425:Russia (Pre-1917); D014956:Writing
Meditsinskaia tema v pis'makh A. P. Chekhova (k 125-letiiu so dnia rozhdeniia).