Robb-Nicholson, Celeste <br/><br/>
Ask the doctor.  What do you know about taking extra folic acid to boost the immune system?  [electronic resource] 

 -  Harvard women's health watch  Feb 2011 
 - 8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1070-910X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Folic Acid<br/>Humans<br/>Immune System