Cesarean section rates and maternal and neonatal mortality in low-, medium-, and high-income countries: an ecological study
Althabe F, Sosa C, Belizan JM, Gibbons L, Jacquerioz F, Bergel E. Cesarean section rates and maternal and neonatal mortality in low-, medium-, and high-income countries: an ecological study. Birth. 2006;33(4):270-277.