TY - GEN AU - FRIEDMAN,E A AU - SACHTLEBEN,M R TI - Dysfunctional labor. I. Prolonged latent phase in the nullipara SN - 0029-7844 PY - 1998///1101 KW - Dystocia KW - Female KW - Humans KW - Obstetric Labor Complications KW - Parity KW - Pregnancy N1 - Publication Type: Journal Article ER -