title: [Professor Doctor Petr Evimovich Verbev--founder of Bulgarian epidemiology (on his 80th birthday)].
mesh_terms: D002031:Bulgaria; D004813:Epidemiology / Q000266:history; D049673:History, 20th Century
vernacular_title: Professor doktor Petr Evfimovich Verbev--osnovopolozhnik bolgarskoĭ épidemiologii (k 80-letiiu so dnia rozhdeniia.