Separation of Flavonoids and Naphthopyrones from four Brazilian Paepalanthus Species by Dropfet Countercurrent Chromatography. Revista Brasileira de Plantas Medicinais, [S. l.], v. 2, n. 1, p. 43–47, 1999. DOI: 10.70151/dff91g84. Disponível em: https://rbpm.emnuvens.com.br/revista/article/view/279. Acesso em: 26 sep. 2025.