LOINC, a universal standard for identifying laboratory observations: a 5-year update.
McDonald CJ, Huff SM, Suico JG, Hill G, Leavelle D, Aller R, Forrey A, Mercer K, DeMoor G, Hook J, Williams W, Case J, Maloney P.
McDonald CJ, et al.
Clin Chem. 2003 Apr;49(4):624-33. doi: 10.1373/49.4.624.
Clin Chem. 2003.
PMID: 12651816