The transition from high to low fertility:  challenge to demographers.
Freedman
R
R
D003267:Contraception; D003710:Demography; D005298:Fertility; D006040:Goals; D006285:Health Planning; D007434:Intrauterine Devices; D010342:Patient Acceptance of Health Care; D010684:Philosophy; D011153:Population; D011157:Population Dynamics
Acceptors; Contraception; Demographers; Demographic Factors; Family Planning Programs; Fertility--changes; Goals; Iud; Philosophical Overview; Population; Population Dynamics