PLoS ONE, Volume 4, No. 10, Year 2009
BMC Public Health, Volume 11, Year 2011
Maternal and Child Nutrition, Volume 17, No. 3, Year 2021
International Breastfeeding Journal, Volume 13, No. 1, Year 2018
BMJ Open, Volume 6, No. 10, Year 2016
Bulletin of the World Health Organization, Volume 85, No. 4, Year 2007