[ANONYMOUS SOURCES OF VENEREAL DISEASES].
D003140:Communicable Disease Control; D003604:Czechoslovakia; D006801:Humans; D011477:Sex Work; D012749:Sexually Transmitted Diseases
COMMUNICABLE DISEASE CONTROL; CZECHOSLOVAKIA; PROSTITUTION; VENEREAL DISEASES
ANONYMN'I ZDROJE POHLAVN'ICH NEMOC'I.