(Q44868677)
Statements
1 reference
Abstinence and safer sex among adolescents. (English)
1 reference
S M Berman
1 reference
R A Gunn
1 reference
S O Aral
1 reference
1 April 1999
1 reference
1 reference
281
1 reference
16
1 reference
1485; author reply 1487-8
1 reference
Identifiers
1 reference
1 reference