Sáenz R. JA, Nassar C. M. Phytochemical Screening of Costa Rican Plants: Alkaloid Analysis. III. Rev. Biol. Trop. [Internet]. 1967Jul.1 [cited 2024Dec.21];15(1):195–202. Available from: https://revistas.ucr.ac.cr/index.php/rbt/article/view/28486