[Perinatal definition problems in our demography (author's transl)].
Gallart-Catalá A, Pérez del Pulgar J, Comin J, Jiménez Díez F, Rodríguez Alarcón J, de la Fuente P, Quero J, Ballabriga A.
Gallart-Catalá A, et al. Among authors: ballabriga a.
An Esp Pediatr. 1974 Sep;7 Suppl 1(0):7-10.
An Esp Pediatr. 1974.
PMID: 4429303
Spanish.
No abstract available.