C ReratMichel SauvainPok Phak RopE. RuizM. BressonAlain Viala2026-03-222026-03-22199710.1016/s0378-8741(97)00029-9https://doi.org/10.1016/s0378-8741(97)00029-9https://andeanlibrary.org/handle/123456789/54008Citaciones: 6enBenzoylecgonineCocaChromatographyPlasma concentrationTraditional medicineExtraction (chemistry)ChemistryMedicineLiquid chromatographic analysis of cocaine and benzoylecgonine in plasma of traditional coca chewers from Bolivia during exercisearticle