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Validez de un estudio: validez interna y externa

Crossref DOI link: https://doi.org/10.1016/j.ciresp.2021.12.008

Published Print: 2022-10

Update policy: https://doi.org/10.1016/elsevier_cm_policy

Authors

Sala Serra, Maria

Domingo Torrell, Laia
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This article is maintained by: Elsevier

Article Title: Validez de un estudio: validez interna y externa

Journal Title: Cirugía Española

CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.ciresp.2021.12.008

Content Type: article

Copyright: © 2021 Published by Elsevier España, S.L.U. on behalf of AEC.