[Frequency of coitus and calculation of the number of months of protection by couple in 8 Latin American countries].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002489:Central America; D003075:Coitus; D003267:Contraception; D004293:Dominican Republic; D005260:Female; D006801:Humans; D008800:Mexico; D008875:Middle Aged; D013997:Time Factors
Frecuencia del coito y cálculo del número de meses de protección popareja en ocho paises latinoamericanos.