labial melanotic freckle macule - Stock Image - C057/2077 Macule And Patch
Description
Journal of Renal Nutrition 2011;21(6):485-491

It used to be on the prohibited list earlier, and you will find cases related to codeine in early doping cases

Shah M, Pathak K
doi: 10.1097/01.sap.0000116254.99505.f6

[DOI] [PMC free article] [PubMed] [Google Scholar] 146.Zeng L., Fagotto F., Zhang T., Hsu W., Vasicek T.J., Iii W.L.P., Lee J.J., Tilghman S.M., Gumbiner B.M., Costantini F
