title: Heparins--anionic polyelectrolyte drugs.
mesh_terms: D000818:Animals; D000838:Anions; D055598:Chemical Phenomena; D002621:Chemistry; D006493:Heparin / Q000494:pharmacology* / Q000627:therapeutic use*; D006801:Humans; D007962:Leukocytes / Q000378:metabolism; D008407:Mast Cells / Q000378:metabolism
chemical_list: D000838:Anions; D006493:Heparin