TY - GEN AU - Chang,Mei-Yueh AU - Chen,Sheng-Hsien AU - Chen,Chung-Hey TI - Factors related to perceived labor pain in primiparas SN - 1607-551X PY - 2003///0415 KW - Adult KW - Body Mass Index KW - Female KW - Fetal Weight KW - Humans KW - Labor, Obstetric KW - psychology KW - Maternal Age KW - Pain KW - Pain Measurement KW - Parity KW - Perception KW - Pregnancy N1 - Publication Type: Journal Article ER -