Umar, Muhammad, et al. “Clinical Assessment of Anatomical Landmarks of the Shoulder for Safe Intramuscular Injections. A Cross-Sectional Study Among Adult Patients: Sex-Based Differences in Shoulder Landmarks for Safe Deltoid Injections”. DEVELOPMENTAL MEDICO-LIFE-SCIENCES, vol. 2, no. 4, May 2025, pp. 13-20, https://doi.org/10.69750/dmls.02.04.0115.