[N. P. Kravkov (on the 60th anniversary of his death)].
D004704:Endocrinology / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D010600:Pharmacology / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
N. P. Kravkov (k 60-letiiu so dnia smerti).