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Expediente

open access: yesPerspectiva, 2015
Revista Perspectiva
doaj   +2 more sources

[Severe COVID: A challenge for rheumatologists]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Bernal-Enriquez MB.
europepmc   +1 more source

New trends in marketing due to the growth of internet usage [PDF]

open access: yes, 2017
Bellido-Pérez, Elena   +2 more
core  

[The "good author"]. [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Chávez-Martínez O.
europepmc   +1 more source

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