@article{56801, author = {Susan Tai and Jocelyn Prendergast and Lorna Sniegoski and Michael Welch and Karen Phinney and Nien Zhang}, title = {Certification of Drugs of Abuse in a Human Serum Standard Reference Material: SRM 1959}, year = {2010}, number = {397}, month = {2010-03-24}, publisher = {Analytical and Bioanalytical Chemistry}, language = {en}, }