[Longitudinal study of the smoking habit among students of Catholic University. I. Habit characteristics in those entering from 1982 to 1984].
D002677:Chile; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D012737:Sex Factors; D012907:Smoking; D013334:Students
Estudio longitudinal del hábito de fumar en estudiantes de la Universidad Católica. I.--Características del hábito en los ingresos de 1982 a 1984.