RT Generic T1 Consecuences of the ingratitude effect: From influenza A to COVID-19 A1 Garrido-Pena, Francisco A1 Andres Lopez-Fernandez, Luis A1 Gil-Garcia, Eugenia PB Elsevier espana slu SN 1130-8621 YR 2021 FD 2021-02-03 LK http://hdl.handle.net/10668/18770 UL http://hdl.handle.net/10668/18770 LA es DS RISalud RD Apr 17, 2025