[Petr Pavlovich Ivanov--founder of the Department of General Biology of the Leningrad Medical Institute of Sanitation and Hygiene (on the 100th anniversary of his birth)].
D004626:Embryology / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D012425:Russia (Pre-1917); D014586:USSR
Petr Pavlovich Ivanov--osnovatel' kafedry obshcheĭ biologii Leningradskogo sanitarno-gigienicheskogo meditsinskogo instituta (k 100-letiiu so dnia rozhdeniia).