[Trachoma in the Plovdiv region according to data from ophthalmological clinics observed from 1949 to 1952].
D006801:Humans; D014141:Trachoma / Q000453:epidemiology*
TRACHOMA/epidemiology
Bolestta trakhoma v Plovdivskila okrug po dannite na ochnata klinika za vremeto ot 1949 do 1952 godina.