Authors: R Schwarcz; O Althabe; R Belitzky; J L Lanchares; R Alvarez; P Berdaguer; H Capurro; J M Belizán; J H Sabatino; C Abusleme; R Caldeyro-Barcia Journal: J Perinat Med Date: 1973 Impact factor: 1.901
Authors: C Méndez-Bauer; A Ruiz Canseco; M Andujar Ruiz; A Menendez; J Arroyo; R D Gardi; V Sastry; J Z Crespo Journal: J Perinat Med Date: 1978 Impact factor: 1.901