Rosero-Bixby L, Oberle MW. Fertility change in Costa Rica 1960-84: analysis of retrospective lifetime reproductive histories. J Biosoc Sci. 1989 Oct;21(4):419-32.
Rosero-Bixby L, Oberle MW. Fertility change in Costa Rica 1960-84: analysis of retrospective lifetime reproductive histories. J Biosoc Sci. 1989 Oct;21(4):419-32.