Sohn, Jong-Hee <br/><br/>
Vitamin D deficiency in patients with cluster headache: a preliminary study.  [electronic resource] 

 -  The journal of headache and pain  Jul 2018 
 - 54 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1129-2377 
<br/><br/><label>Standard No.: </label>10.1186/s10194-018-0886-7  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Cluster Headache--blood<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Seasons<br/>Sunlight<br/>Vitamin D--analogs & derivatives<br/>Vitamin D Deficiency--blood