Tanweer Ahmed, A. Sabeen Rahman, Shaista Ahmed, Afshan Siddiqui, Aisha Javed, Jawed Kamal and Laeeq Ahmed 2021. Frequency of Vitamin B12 and Red Cell Folate Deficiency in Macrocytic Anaemia. Journal of Basic & Applied Sciences. 8, 2 (Jul. 2021), 706–713. DOI:https://doi.org/10.6000/1927-5129.2012.08.02.68.