Jondhale S, Tiwari K, Jain R, Gupta RK, Shah S, Goel AK. Pulmonary Langerhans cell histiocytosis presenting as skin lesion in a young child exposed to chronic passive smoking: A case report. Indian J Child Health. 2020;7(5):239-241. doi:10.32677/IJCH.2020.v07.i05.013