Prevalence of polypharmacy and drug interactions in geriatric patients: A cross-sectional study from India. - Khaiser, Umaima Farheen; Sultana, Rokeya; Das, Ranajit; Alzahrani, Saeed G.; Kannan, Madhumitha; Newigy, Mohammed Khairt; Quadri, Mohammed Sharique Ahmed; Shaikh, Mujeeb Ahmed; Shaikh, Farha M.; Fareed, Mohammad (PLoS ONE, 2026)