TY - JOUR AU - Heffner, L J; Elkin, E; Fretts, R C TI - Impact of labor induction, gestational age, and maternal age on cesarean delivery rates JO - Obstet Gynecol IS - 02 VL - 102 PY - 2003 L3 - PubMed-ID: 12907101 SP - 287 EP - 293 ER -