共 107 条
[1]
Association between maternal serum 25-hydroxyvitamin D level and pregnancy and neonatal outcomes: systematic review and meta-analysis of observational studies
[J].
BMJ-BRITISH MEDICAL JOURNAL,
2013, 346
[2]
Al-Asmari Nouf, 2012, Surg Technol Int, V22, P177
[5]
[Anonymous], 2002, CONTEMP OBSTET GYNEC
[7]
Aucoin Michael, 2013, Can Fam Physician, V59, pe188