Levi, Guido Carlos, Carlos Armando de Avila, and Vicente Amato Neto. “Efficacy of Various Drugs in Treatment of Giardiasis: Comparative Study”. Revista do Instituto de Medicina Tropical de São Paulo 19, no. 6 (December 4, 1977): 422–424. Accessed June 23, 2024. https://revistas.usp.br/rimtsp/article/view/198000.