Two abortion referenda.
D000028:Abortion, Induced; D000569:Americas; D019049:Developed Countries; D005193:Family Planning Services; D008824:Michigan; D009656:North America; D009658:North Dakota; D014481:United States
Abortion, Induced--legal aspects; Americas; Developed Countries; Family Planning; Fertility Control, Postconception; Michigan; North America; North Dakota; Northern America; United States