TY - JOUR A1 - Zimmer-Gembeck, M.J. A1 - Siebenbruner, J. A1 - Collins, W.A. T1 - A prospective study of intraindividual and peer influences on adolescents’ heterosexual romantic and sexual behavior Y1 - 2004 DO - 10.1023/B:ASEB.0000028891.16654.2c VL - 33 ER -