Arathi J S The impact of COVID 19 pandemic on elderly patients with pre existing major depressive disorder: a mixed method study - Bangalore : Dept. of Psychiatry, 2023 - 146 p. : 28 cm. Subjects--Topical Terms: COVID 19Psychiatry, geriatricGeriatricsMajor depressive disorder Dewey Class. No.: A1.5 / ARA 2023