title: Letter: IUDs and fibrinolysis.
mesh_terms: D000818:Animals; D003656:Decidua / Q000378:metabolism; D005260:Female; D005342:Fibrinolysis; D006801:Humans; D007434:Intrauterine Devices; D010063:Ovum / Q000378:metabolism; D011247:Pregnancy; D051381:Rats