1.
J Adolesc Health
; 39(2): 287-90, 2006 Aug.
Artículo
en Inglés
| MEDLINE
| ID: mdl-16857543
RESUMEN
To determine association between acquisition of sexually transmitted infections (STIs) over a nine-month period among sexually experienced adolescents attending an urban, general HMO teen clinic and African American race, use of marijuana more than once or twice a week, and having had relationships with a sexual partner who is more than four years older.