Hassan, Laiqa, et al. “EARLY VERSUS DELAYED ORAL INTAKE IN PATIENTS AFTER CESAREAN SECTION UNDER REGIONAL ANESTHESIA: Early Versus Delayed Oral Intake”. Pakistan Armed Forces Medical Journal, vol. 71, no. 5, Oct. 2021, pp. 1559-62, https://doi.org/10.51253/pafmj.v71i5.3499.