Dhakal, Sanjaya, Sherry Burrer, Carla A. Winston, Matthew Miller, and Samuel L. Groseclose. 2013. “LOINC and SNOMED CT Code Use in Electronic Laboratory Reporting - US, 2011”. Online Journal of Public Health Informatics 5 (1). https://doi.org/10.5210/ojphi.v5i1.4447.