Lobo, Sheila Fagundes, et al. “Maternal and Perinatal Outcomes of an Alongside Hospital Birth Center in the City of São Paulo, Brazil”. Revista Da Escola De Enfermagem Da USP, vol. 44, no. 3, Sept. 2010, pp. 812-8, https://doi.org/10.1590/S0080-62342010000300037.