[Sexual and antivenereal trends in México during the first quarter of the 20th century. II].
D006801:Humans; D008800:Mexico; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*
SEXUAL BEHAVIOR; VENEREAL DISEASES/prevention and control
La orientación sexual y antivenérea en México, durante el primer cuarto del siglo XX. II.