R. Thaddanee, A. Chaudhari, H. Chauhan, S. Morbiwala, and A. K. Khilnani, “Bubble continuous positive airway pressure machine versus indigenous bubble continuous positive airway pressure as a respiratory support in preterm babies with respiratory distress syndrome: a prospective outcome research at a tertiary care centre in Gujarat, India”, Int J Contemp Pediatr, vol. 5, no. 2, pp. 493–498, Feb. 2018.