[Family planning and demographic regression].
D000022:Abortion, Spontaneous; D000569:Americas; D003710:Demography; D004243:Divorce; D005060:Europe; D005193:Family Planning Services / Q000266:history; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy
Planificación familiar y regresión demográfica.