Hamza Khedhir, N. 2026. Nuha H. Kh. Alterations in Serum Lactate Dehydrogenase and Creatine Kinase Levels in Relation to Physical Activity Intensity: Exercise Intensity–Induced Changes in Serum LDH and CK Levels. Al-Kitab Journal for Pure Sciences. 10, 02 (Oct. 2026), 203–220. DOI:https://doi.org/10.32441/kjps.10.02.p15.