[Not Available].
D003267:Contraception / Q000266:history*; D003710:Demography; D005193:Family Planning Services / Q000266:history*; D005387:Finland; D049711:History, Modern 1601-; D013223:Statistics as Topic / Q000266:history*
Fertilitetens årliga fluktuation och familjeplanering i Finland under den förindustriella tiden.