SYED ZAIN UL ABIDEEN; SHAFQAT, Waseem; MUSTAFA, Farhan. Frequency of Vitamin B12 Deficiency Anemia in Diabetic Patients on Metformin in a Tertiary Care Hospital, Lahore, Pakistan. Indus Journal of Bioscience Research, [S. l.], v. 3, n. 7, p. 1681–1685, 2025. DOI: 10.70749/ijbr.v3i7.3010. Disponível em: https://ijbr.com.pk/IJBR/article/view/3010. Acesso em: 31 may. 2026.