Combination of spironolactone and sitagliptin improves clinical outcomes of outpatients with COVID-19: a prospective cohort study. - Davarpanah MA; Adatorwovor R; Mansoori Y; Ramsheh FSR; Parsa A; Hajiani M; Faramarzi H; Kavuluru R; Asadipooya K (Journal of endocrinological investigation, 2024)