Analysis of the fungal contamination in Cassia acutifolia Delile (sene) and Peumus boldus (Molina) Lyons (boldo-do-Chile) sold in Campinas, Brazil. (2004). Revista Brasileira De Ciências Farmacêuticas, 40(4), 521-527. https://doi.org/10.1590/S1516-93322004000400009