Siraj Nabi, Javid Iqbal, Farheen Naseem, Saba Wamiq, Mohammad Shahid Iqbal. “Perinatal and Early-Life Determinants of Infantile Colic and Non-Colic Excessive Crying”. Pakistan Journal of Medical & Health Sciences, vol. 17, no. 03, Mar. 2023, p. 824, doi:10.53350/pjmhs2023173824.