Ceolin, T.; Heck, R. M.; Barbieri, R. L.; Schwartz, E.; Muniz, R. M.; Pillon, C. N. Medicinal Plants: Knowledge Transmission in Families of Ecological Farmers in Souther Rio Grande Do Sul. Rev. Esc. Enferm. USP 2011, 45 (1), 47-54. https://doi.org/10.1590/S0080-62342011000100007.