Measuring concurrent partnerships.
Helen
H
Epstein
Ann
A
Swidler
Ron
R
Gray
George
G
Reniers
Warren
W
Parker
Justin
J
Parkhurst
Roger
R
Short
Daniel
D
Halperin
D003075:Coitus; D005260:Female; D015658:HIV Infections / Q000635:transmission*; D006801:Humans; D008297:Male; D012725:Sexual Behavior; D012747:Sexual Partners; D011795:Surveys and Questionnaires