World Health Organization. Neonatal and Perinatal Mortality: Country, regional and global estimates.
Cita Chicago (17th ed.)World Health Organization. Neonatal and Perinatal Mortality: Country, Regional and Global Estimates.
Cita MLA (8th ed.)World Health Organization. Neonatal and Perinatal Mortality: Country, Regional and Global Estimates.
Atenció: Aquestes cites poden no estar 100% correctes.