Rocha, Oswaldo Melo da, Carlos da Silva Lacaz, Edward Porto, Elisabeth Maria Heins, Saul Schaf, Elda Hirose-Pastor, and Wilson Cossermelli. 1980. “Eumycotic Mycetoma of the Foot Caused by Petriellidium Boydii. A Case Report”. Revista Do Instituto De Medicina Tropical De São Paulo 22 (1): 24-29. https://revistas.usp.br/rimtsp/article/view/197275.