A Preliminary Note on the Transient Polymorphic Oxidation of Sparteine in the Ngawbé Guaymí Amerindians: A Case of Genetic Divergence with Tentative Phylogenetic Time Frame for the Pathwayv. 44No. 3343–352
Arias, Tomas D., Inaba, Ted, Cooke, Richard G., and Jorge, Lucia F. 1988. "A Preliminary Note on the Transient Polymorphic Oxidation of Sparteine in the Ngawbé Guaymí Amerindians: A Case of Genetic Divergence with Tentative Phylogenetic Time Frame for the Pathway." Clinical Pharmacology Ther, 44, (3) 343–352.