title: Ultrastructural basis of the mechanism of rouleaux formation.
mesh_terms: D001799:Blood Sedimentation; D001809:Blood Viscosity; D002449:Cell Aggregation / Q000187:drug effects; D003911:Dextrans / Q000494:pharmacology; D004912:Erythrocytes / Q000166:cytology*; D006493:Heparin; D006801:Humans; D008722:Methods; D008854:Microscopy, Electron; D008954:Models, Biological; D008970:Molecular Weight
chemical_list: D003911:Dextrans; D006493:Heparin