Confounding bias due to indication and severity in observational studies

  1. Nuevo, J.
  2. Tafalla, M.
  3. Cordero, L.
  4. Ruiz, M.
  5. Calvo, E.
  6. Román, J.
  7. Mayo, J.
Journal:
Gaceta Sanitaria

ISSN: 1578-1283 0213-9111

Year of publication: 2011

Volume: 25

Issue: 2

Pages: 170-172

Type: Article

DOI: 10.1016/J.GACETA.2010.12.007 GOOGLE SCHOLAR lock_openOpen access editor

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