Fixation H�eparine H�eparines Heparan Sulfate Proteoglycans Heparin Human Anatomy & Physiology Liaison aux prot�eines Life Sciences MEDICAL Physiology Prot�eines Prot�eines de liaison Prot�eoglycanes Prot�eoglycanes �a h�eparane sulfate Protein Binding Protein binding Proteoglycans SCIENCE