Koepke, J A <br/><br/>
More on calcium ion activity buffers for coagulation testing.  [electronic resource] 

 -  Clinical chemistry  Sep 1999 
 - 1575-6 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0009-9147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Blood Specimen Collection--methods<br/>Buffers<br/>Calcium<br/>Prothrombin Time