Huda Anjum et al. 2024. Post-Laparotomy Pulmonary Complications in Blow Bottle versus Interdigital Breathing Technique: A Quasi-Experimental Study. Pakistan Armed Forces Medical Journal. 74, 4 (Aug. 2024), 1088–1093. DOI:https://doi.org/10.51253/pafmj.v74i4.6715.