Fig. 1
Annual trend of observed and expected neonatal mortality rates with perinatal asphyxia adjusted by Poisson regression analysis, São Paulo State, Brazil: 2004–2013
Fig. 1 | BMC Pregnancy and Childbirth
Annual trend of observed and expected neonatal mortality rates with perinatal asphyxia adjusted by Poisson regression analysis, São Paulo State, Brazil: 2004–2013