TY - RPRT TI - Dysfunctional labor. IX. Delivery outcome. AU - E A Friedman AU - K R Niswander AU - M R Sachtleben AU - M Ashworth PY - 1970 DO - 10.1016/0002-9378(70)90266-8 UR - https://pubmed.ncbi.nlm.nih.gov/5410048/ ID - 5410048 ER -