Neill, D W <br/><br/>
Letter: When is a reference method a reference method?  [electronic resource] 

 -  Clinical chemistry  Feb 1976 
 - 285-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-9147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calcium--blood<br/>Chemistry, Clinical--methods<br/>International Cooperation<br/>United States