References
Chen, A. and W. J. Rogan (2004) "Breastfeeding and the risk of postneonatal death in the United States." Pediatrics 113(5): e435-439
Codex Alimentarius (2011a) Codex Standard 72 for Infant Formula and Formulas for Special Medical Pruposes intended for Infants - Codex STAN 72 - 1981. Amended 2011: World Health Organization.
Codex Alimentarius (2011b) Codex Standard for Follow-up Formula - Codes STAN 156-1987. Amended 2011: World Health Organization.