@jepcastel

Is zero the ideal death rate?

, , and . The New England journal of medicine, 357 (2): 111-3 (July 2007)4146<m:linebreak></m:linebreak>PUBM: Print; JID: 0255562; ppublish;<m:linebreak></m:linebreak>Recursos/Organització; Recerca clínica.
DOI: 10.1056/NEJMp078025

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