[Survey on fertility in Guayaquil. I. Various characteristics of interviewed samples].
D000293:Adolescent; D000328:Adult; D004484:Ecuador; D004522:Educational Status; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D008875:Middle Aged; D044469:Racial Groups; D012494:Sampling Studies; D012959:Socioeconomic Factors
Encuesta de fecundidad levantada en Guayaquil. I. Algunas caracteristicas de la muestra entrevistada.