Viljoen M, Bipath P, Roos JL. Aetiological doctrines and prevalence of pellagra: 18th century to middle 20th century. S. Afr. J. Sci. [Internet]. 2018 Sep. 11 [cited 2024 Dec. 3];114(9/10). Available from: https://sajs.co.za/article/view/4597