PAROLA-CONTRERAS, I.; GUEVARA-GONZÁLEZ, R. G.; FEREGRINO-PÉREZ, A. A.; REYNOSO-CAMACHO, R.; PÉREZ-RAMÍREZ, I. F.; OCAMPO-VELÁZQUEZ, R. V.; ROJAS- MOLINA, A.; LUNA-VAZQUEZ, F.; TOVAR-PÉREZ, E. G. Phenolic compounds and antioxidant activity of methanolic extracts from leaves and flowers of chilcuague (Heliopsis longipes, Asteraceae). Botanical Sciences, v. 99, n. 1, p. 149-160, 27 Oct. 2020.