Brief report: Pregnant by age 15 years and substance use initiation among US adolescent girls.
Cavazos-Rehg PA, Krauss MJ, Spitznagel EL, Schootman M, Cottler LB, Bierut LJ. Brief report: Pregnant by age 15 years and substance use initiation among US adolescent girls. J Adolesc. 2012 Oct; 35(5):1393-7.