Almeida, Janie Maria de, et al. “Factors Associated With Puerperal Infection in the Maternity Unit of a Hospital School in São Paulo”. Revista Da Faculdade De Ciências Médicas De Sorocaba, vol. 22, no. 3, Feb. 2022, pp. 112-8, doi:10.23925/1984-4840.2020v22i3a5.