TY  - GEN
AU  - Zhu,Tong
AU  - Liu,Tian-Jing
AU  - Ge,Xin
AU  - Kong,Juan
AU  - Zhang,Li-Jun
AU  - Zhao,Qun
TI  - High prevalence of maternal vitamin D deficiency in preterm births in northeast China, Shenyang
SN  - 1936-2625
PY  - 2016///0307
KW  - Adolescent
KW  - Adult
KW  - China
KW  - epidemiology
KW  - Enzyme-Linked Immunosorbent Assay
KW  - Female
KW  - Humans
KW  - Middle Aged
KW  - Pregnancy
KW  - Premature Birth
KW  - etiology
KW  - Prevalence
KW  - Seasons
KW  - Vitamin D
KW  - blood
KW  - Vitamin D Deficiency
KW  - complications
KW  - Young Adult
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't
ER  -