Perinatal definition problems in our demography

Gallart-Catalá, A.; Pérez del Pulgar, J.; Comin, J.; Jiménez Díez, F.; Rodríguez Alarcón, J.; de la Fuente, P.; Quero, J.; Ballabriga, A.

Anales Espanoles de Pediatria 7 Suppl 1: 7-10

1974


ISSN/ISBN: 0302-4342
PMID: 4429303
Document Number: 75607

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