Laux-Biehlmann, Alexis <br/><br/>
Comparison of serum and lithium-heparinate plasma for the accurate measurements of endogenous and exogenous morphine concentrations.  [electronic resource] 

 -  British journal of clinical pharmacology  Aug 2012 
 - 381-3 p.  digital 
<br/><br/> Publication Type: Comparative Study; Letter 
<br/><br/><label>ISSN: </label>1365-2125 
<br/><br/><label>Standard No.: </label>10.1111/j.1365-2125.2012.04199.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesics, Opioid--blood<br/>Calibration<br/>Enzyme-Linked Immunosorbent Assay--standards<br/>Heparin--analogs & derivatives<br/>Humans<br/>Lithium--chemistry<br/>Morphine--blood<br/>Plasma--chemistry<br/>Reference Standards<br/>Reproducibility of Results<br/>Serum--chemistry<br/>Specimen Handling--methods