title: Complex formation of pregnancy-specific alpha 2-glycoprotein (SP1 alpha) and heparin.
mesh_terms: D005260:Female; D006493:Heparin / Q000378:metabolism*; D006801:Humans; D011247:Pregnancy; D011257:Pregnancy Proteins / Q000378:metabolism*
chemical_list: D011257:Pregnancy Proteins; D006493:Heparin