Mortalidad perinatal

by Roberto A. Páez Vargas, Uriel Acero Rodríguez, Hermann Uribe Correa
Published 1974-10-01

Medio ambiente fetal

by Jorge E. Medina Murillo, Arturo Rodríguez Soto, Alvaro Velasco Chiriboga, Hugo Buriticá, Daniel Rodríguez, Julián Bustillo Yepes, Manuel José Palau, Uriel Acero Rodríguez, Hermann Uribe Correa, Germán Marín Ocampo, Jaime Enrique Ruiz Acevedo
Published 1973-12-01