[75th anniversary of the publication of N. N. Petrov's manual "A General Theory of Tumors"].
D049672:History, 19th Century; D049673:History, 20th Century; D008495:Medical Oncology / Q000266:history*; D012425:Russia (Pre-1917)
K 75-letiiu vykhoda v svet rukovodstva N. N. Petrova "Obshcheee uchenie ob opukholiakh".