[Status and future development of otorhinolaryngological aid in Bulgaria].
D000818:Animals; D002031:Bulgaria; D002417:Cattle; D006268:Health Facilities; D006666:History of Medicine; D010036:Otolaryngology / Q000266:history
Sostoianie i perspektivnoe razvitie otorinolaringologicheskoĭ pomoschchi v Blgarii