TY - GEN AU - Bruggemann,Odalea M AU - Parpinelli,Mary A AU - Osis,Maria J D AU - Cecatti,Jose G AU - Neto,Antonio S Carvalhinho TI - Support to woman by a companion of her choice during childbirth: a randomized controlled trial SN - 1742-4755 PY - 2007///0810 N1 - Publication Type: Journal Article UR - https://doi.org/10.1186/1742-4755-4-5 ER -