TY - GEN AU - Handa,V L AU - Danielsen,B H AU - Gilbert,W M TI - Obstetric anal sphincter lacerations SN - 0029-7844 PY - 2001///0906 KW - Adolescent KW - Adult KW - Anal Canal KW - injuries KW - Birth Weight KW - California KW - epidemiology KW - Delivery, Obstetric KW - methods KW - Female KW - Humans KW - Incidence KW - Infant, Newborn KW - Lacerations KW - etiology KW - Logistic Models KW - Obstetric Labor Complications KW - Odds Ratio KW - Parity KW - Pregnancy KW - Racial Groups KW - Risk Factors N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0029-7844(01)01445-4 ER -