Li, Z. ., Liu, F. ., Antieau, L. ., Cao, Y. ., & Yu, H. . (1969). Lancet: a high precision medication event extraction system for clinical text. Journal of the American Medical Informatics Association : JAMIA, 17(5), 563-7. https://doi.org/10.1136/jamia.2010.004077 (Original work published 1969)