title: Calcium carbonate and intrauterine devices.
mesh_terms: D000818:Animals; D002119:Calcium Carbonate / Q000494:pharmacology; D003300:Copper / Q000037:antagonists & inhibitors; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper; D008297:Male; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D011817:Rabbits
chemical_list: D003300:Copper; D002119:Calcium Carbonate