Iqal, Amjad, et al. “EXPERIENCE OF NASAL CONTINUOUS POSITIVE AIRWAY PRESSURE (CPAP) BY INFANT FLOW DRIVER IN A NEONATAL UNIT OF A DEVELOPING COUNTRY: Infant Flow Driver”. Pakistan Armed Forces Medical Journal, vol. 64, no. 1, Mar. 2014, pp. 75-79, https://pafmj.org/PAFMJ/article/view/541.