上海地区中期妊娠孕妇25-羟维生素D正常参考区间调查
李东平,李则挚,肖世金
Investigation on the reference range for 25-hydroxyvitamin D in second trimester pregnant women in Shanghai
LI Dong-ping, LI Ze-zhi, XIAO Shi-jin
上海交通大学学报(医学版) . 2017, (4): 542 .  DOI: 10.3969/j.issn.1674-8115.2017.04.024