@article{790781, author = {Susan Tai and Michael Nelson and Brian Lang and Karen Phinney and Lane Sander and James Yen and J. Betz and Christopher Sempos and Stephen Wise}, title = {Development of Standard Reference Material (SRM) 2973 Vitamin D Metabolites in Frozen Human Serum (High Level)}, year = {2017}, month = {2017-07-24 00:07:00}, publisher = {Journal of Aoac International}, language = {en}, }