Enantiomeric separation of Tramadol and its metabolites: method validation and application to environmental samples.

Bibliographic reference: 

Silva C., Ribeiro C., Maia AS., Gonçalves V., Tiritan ME., & Afonso C. (2017). Enantiomeric separation of Tramadol and its metabolites: method validation and application to environmental samples. Symmetry 9, 170: 2-17.