223例妊娠晚期孕妇的心理状态现状及影响因素分析
柏燕铭,徐芳菲
Psychological status and influencing factors of 223 pregnant women in third trimester of pregnancy
BAI Yan-ming, XU Fang-fei
中国校医 . 2022, (7): 522 -524,540 .