Zilberstein, Bruno, Alina G Quintanilha, Manoel A A Santos, Denis Pajecki, Eduardo G Moura, Paulo Roberto Arruda Alves, Fauze Maluf Filho, João Ary Ubriaco de Souza, and Joaquim Gama-Rodrigues. 2007. “ Digestive Tract Microbiota in Healthy Volunteers ”. Clinics 62 (1): 47-54. https://doi.org/10.1590/S1807-59322007000100008.