[Investigations on endemic goiter in Bulgaria; endemic goiter in Bistrica, Sofia region].
D001203:Ascomycota; D002031:Bulgaria; D006042:Goiter / Q000453:epidemiology*; D006043:Goiter, Endemic; D006801:Humans
GOITER/epidemiology
Prinos kum izuchavaneto na endemichnata gusha u nas; izuchavane na endemichnata gusha v s. Bistritsa--Sofiisko.