Chugtai, Faiqa, et al. “INTRAVENOUS IRON TREATMENT IN PREGNANCY: COMPARISON OF HIGH DOSE CARBOXYMALTOSE VS IRON SUCROSE”. Pakistan Armed Forces Medical Journal, vol. 70, no. 5, Oct. 2020, pp. 1469-73, https://pafmj.org/PAFMJ/article/view/5587.