A comparison of pregnancy outcomes in Ghanaian women with varying dietary diversity: a prospective cohort study protocol
Shaibu Mohammed Osman, Mahama Saaka, Fereydoun Siassi, Mostafa Qorbani, Parvaneh Yavari, Ina Danquah, Gity Sotoudeh
BMJ Open Sep 2016, 6 (9) e011498; DOI: 10.1136/bmjopen-2016-011498