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