TY - JOUR A1 - Rossier, C. A1 - Leridon, H. A1 - The COCON Group T1 - The pill and the condom, substitution or association? An analysis of the contraceptive histories of young women in France Y1 - 2004 DO - 10.2307/3654911 VL - 59 IS - 3/4 ER -