TY - GEN AU - MUKHERJEE,S AU - BISWAS,S TI - Duration of labour and its relationship to maternal age and parity--a statistical approach SN - 0019-5847 PY - 1998///1101 KW - Female KW - Humans KW - Labor, Obstetric KW - Maternal Age KW - Parity KW - Pregnancy N1 - Publication Type: Journal Article ER -