ALAM, Said; KHAN, Nisar; KHAN, Imran Ullah; ZIA, Abduulah; SHAFIQ, Muhammad. Frequency of Vitamin B12 Deficiency Among Type 2 Diabetes Mellitus Patients Presenting at a Tertiary Care Hospital. Biological and Clinical Sciences Research Journal, Lahore, PK, v. 6, n. 3, p. 190–193, 2025. DOI: 10.54112/bcsrj.v6i3.2150. Disponível em: https://bcsrj.com/ojs/index.php/bcsrj/article/view/2150. Acesso em: 17 apr. 2026.