title: Active extrusion of calcium ions by smooth muscle microsomes.
mesh_terms: D000255:Adenosine Triphosphate / Q000494:pharmacology; D000818:Animals; D001011:Aorta / Q000378:metabolism; D001693:Biological Transport, Active; D002118:Calcium / Q000378:metabolism*; D002417:Cattle; D007421:Intestine, Small / Q000378:metabolism; D008861:Microsomes / Q000187:drug effects / Q000378:metabolism*; D009130:Muscle, Smooth / Q000378:metabolism*; D011817:Rabbits
chemical_list: D000255:Adenosine Triphosphate; D002118:Calcium