Samba C, Tchibindat F, Gourmel B, Houze P, Malvy D. Prevalence of Vitamin A Deficiency in Pregnant and Lactating Women in the Republic of Congo. J Health Popul Nutr [Internet]. 2013 Apr. 25 [cited 2024 May 10];31(1):28-36. Available from: https://www.banglajol.info/index.php/JHPN/article/view/14746