Muhammad Tahir, Shehzadi Sanam Karim, Nauman Naseer, Asma Khan, Amjad Mustafa, and Faiza Khan, “COMPARISON OF EFFICACY AND SAFETY OF CAFFEINE AND AMINOPHYLLINE IN APNEA OF PREMATURITY”, J Popl Ther Clin Pharmacol, vol. 29, no. 04, pp. 4531–4536, Nov. 2022, doi: 10.53555/akjf3m47.