TY - GEN AU - Ehrström,C AU - Bergman,H TI - [Delivery in a sitting position] SN - 0022-9415 PY - 1974///0214 KW - Delivery, Obstetric KW - Equipment and Supplies KW - Female KW - Obstetric Labor Complications KW - prevention & control KW - Posture KW - Pregnancy N1 - Publication Type: Journal Article ER -