[Analysis of fertility based on a population study in the District of Maribo 1967-1969].
D000022:Abortion, Spontaneous; D000328:Adult; D000367:Age Factors; D003267:Contraception; D003718:Denmark; D005260:Female; D005298:Fertility; D006801:Humans; D008875:Middle Aged; D011247:Pregnancy
Fertilitetsanalyser på grundlag af folkeundersøogelsen i Maribo amt 1967-1969.