Ormachea, M.; Gómez Borrás, L.; Alfie, J. Orthostatic Hypotension: A Hidden Player in the Life of the Frail Elderly. Rev Hosp Ital B.Aires 2011, 31 (3), 81-85. https://doi.org/10.51987/Rev.Hosp.Ital.B.Aires.v31i3.969.