Clark, Kristopher <br/><br/>
Plasma vitamin D, past chest illness, and risk of future chest illness in chronic spinal cord injury (SCI): a longitudinal observational study.  [electronic resource] 

 -  Spinal cord  Apr 2020 
 - 504-512 p.  digital 
<br/><br/> Publication Type: Journal Article; Observational Study 
<br/><br/><label>ISSN: </label>1476-5624 
<br/><br/><label>Standard No.: </label>10.1038/s41393-019-0409-7  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Chronic Disease<br/>Female<br/>Humans<br/>Longitudinal Studies<br/>Lung Diseases--diagnosis<br/>Male<br/>Middle Aged<br/>Prognosis<br/>Risk Factors<br/>Spinal Cord Injuries--blood<br/>United States<br/>United States Department of Veterans Affairs<br/>Vitamin D--analogs & derivatives