Sikandar, Z. et al. 2025. omparison of CSMC (Cedar Sinai Medical Center) QGS/QPS (Quantitative Gated SPECT/Quantitative Perfusion SPECT) and INVIA-4 Dimension Myocardial SPECT Softwares for Quantitative Analysis of Left Ventricular Perfusion and Function in Gated Myocardial SPECT Scintigraphy. Pakistan Armed Forces Medical Journal. 75, 4 (Aug. 2025), 684–688. DOI:https://doi.org/10.51253/pafmj.v75i4.10764.