title: [60th birthday of Prof. Manol Zarkov Donev].
mesh_terms: D002031:Bulgaria; D013502:General Surgery / Q000266:history; D049673:History, 20th Century; D006801:Humans; D013903:Thoracic Surgery; D013909:Thorax / Q000601:surgery
vernacular_title: Prof. Manol Zarkov Donev na 60 godini.