Cesarean section rates and maternal and neonatal mortality in low-, medium-, and high-income countries: an ecological study - Althabe, F; Sosa, C; Belizán, J M; Gibbons, L; Jacquerioz, F; Bergel, E (Birth, 2006)
Doi: 10.1111/j.1523-536X.2006.00118.x