000 00445nab a2200181 a 4500
001 C00092407c
003 DO-SdBDB
005 20230328111249.0
008 230202s20212021dr dr n 0 0spa d
040 _aDO-SdBDB
_bspa
_cDO-SdBDB
041 0 _aspa
043 _adr
060 0 _aBED2021
245 0 4 _aLas dos caras de la variante que recorre el paĆ­s.
650 2 4 _aCovid-19.
773 0 _tHoy,
_d30 dic., 2021, p. 24
942 _cAPP
999 _c131418
_d131418