Siqueira, L.A. et al. 2020. Evaluation of the presence of microorganisms isolated from the surface of the stethoscope diaphragm used by UNIPAM medicine course students. Revista de Medicina. 99, 3 (Jun. 2020), 242–245. DOI:https://doi.org/10.11606/issn.1679-9836.v99i3p242-245.