Shaikh, Saquib Ahmed, et al. “Arabian Undergraduates Perceptions Regarding Barriers Among the Geriatric Patients for Failing to Keep Dental Appointments: A Cross-Sectional Study: Geriatric patient’s Appointment Barriers - Students Perspective”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 28, no. 01, Sept. 2021, https://doi.org/10.15586/jptcp.v28i01.828.