MAJID, Zahraa; SHARBA, Intisar R. Low serum vitamin D levels as a risk factor for peptic ulcer development in Iraqi patients. Pharmakeftiki , [S. l.], v. 37, n. 2S, 2025. DOI: 10.60988/p.v37i2S.221. Disponível em: https://pharmakeftiki.hsmc.gr/pj/article/view/221. Acesso em: 11 oct. 2025.