A survey on the needs on premature infants nursing and health knowledge in advanced maternal age woman
Lyu Panpan, Liu Fang, Wang Xin, Geng Limeng, Liu Congcong
International Medicine and Health Guidance News . 2022, (22): 3124 -3128 .  DOI: 10.3760/cma.j.issn.1007-1245.2022.22.004