Gomes, Mara H de Andrea, and Cássio Silveira. “ On the Use of Qualitative Methods in Collective Health, or the Lack of a Theory ”. Revista de Saúde Pública 46, no. 1 (February 1, 2012): 160–165. Accessed April 29, 2024. https://www.revistas.usp.br/rsp/article/view/33089.