Sexual behavior of teenagers: conclusions from the results of a comparative study between two surveys--south Brazil.
de Souza
R P
RP
de Oliveira
J S
JS
Wagner
M B
MB
Vinciprova
A R
AR
D000293:Adolescent; D000328:Adult; D001938:Brazil; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D012725:Sexual Behavior