Karki, B., Verma, V., Shrestha, R. and Joshi, S.S. 2020. Allergic proctocolitis causing hematochezia in preterm twins. Nepal Mediciti Medical Journal. 1, 1 (Dec. 2020), 23–26. DOI:https://doi.org/10.3126/nmmj.v1i1.34477.