(Q36142992)
Statements
1 reference
Sildenafil use, sexual risk behavior, and risk for sexually transmitted diseases, including HIV infection (English)
1 reference
Jeffrey D Klausner
1 reference
Sean G Swearingen
1 reference
1 June 2005
1 reference
1 reference
118
1 reference
6
1 reference
571-577
1 reference
Identifiers
1 reference
1 reference