Journal Information
Vol. 13. Issue 3.
Pages 239-240 (May - June 1999)
Vol. 13. Issue 3.
Pages 239-240 (May - June 1999)
Open Access
Presentación: Medline en Internet
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Esteve Fernández
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Copyright © 1999. Sociedad Española de Salud Pública y Administración Sanitaria