Fitzpatrick, J <br/><br/>
The Microbiological Assay of Riboflavin and Nicotinic Acid in Urine.  [electronic resource] 

 -  Journal of clinical pathology  May 1949 
 - 121-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0021-9746 
<br/><br/><label>Standard No.: </label>10.1136/jcp.2.2.121  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Body Fluids<br/>Niacin<br/>Nicotinic Acids<br/>Riboflavin--analysis<br/>Urine