Pham, Hai <br/><br/>
Acute Respiratory Tract Infection and 25-Hydroxyvitamin D Concentration: A Systematic Review and Meta-Analysis.  [electronic resource] 

 -  International journal of environmental research and public health  08 2019 
<br/><br/> Publication Type: Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't; Systematic Review 
<br/><br/><label>ISSN: </label>1660-4601 
<br/><br/><label>Standard No.: </label>10.3390/ijerph16173020  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acute Disease<br/>Humans<br/>Observational Studies as Topic<br/>Respiratory Tract Infections--blood<br/>Vitamin D--analogs & derivatives<br/>Vitamins--blood