Giovanella, L., Martufi, V., Carolina Ruiz Mendoza, D., Helena Magalhães de Mendonça, M. , Emilia Moraes Bousquat, A., Aquino Guimarães Pereira, R. and Guadalupe Medina, M. 2020. The contribution of primary health care in the SUS network to face Covid-19. SciELO Preprints.