Rattan KN, - P, Baridabad O, Yadav KK, Chopra B. Hairpin impacted in the duodenum of a 4-month-old child - a rarity. Indian J Child Health [Internet]. 2017 Nov. 8 [cited 2026 Jul. 28];4(4):647-8. Available from: https://mansapublishers.com/ijch/article/view/389