Zhu, Tong <br/><br/>
High prevalence of maternal vitamin D deficiency in preterm births in northeast China, Shenyang.  [electronic resource] 

 -  International journal of clinical and experimental pathology  2015 
 - 1459-65 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1936-2625 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>China--epidemiology<br/>Enzyme-Linked Immunosorbent Assay<br/>Female<br/>Humans<br/>Middle Aged<br/>Pregnancy<br/>Premature Birth--etiology<br/>Prevalence<br/>Seasons<br/>Vitamin D--blood<br/>Vitamin D Deficiency--complications<br/>Young Adult