title: Letter: Leucocyte migration. The effect of heparin and preservative.
mesh_terms: D002448:Cell Adhesion / Q000187:drug effects; D002464:Cell Migration Inhibition; D002465:Cell Movement; D005337:Fibrin / Q000037:antagonists & inhibitors; D006493:Heparin / Q000008:administration & dosage / Q000494:pharmacology*; D006801:Humans; D006967:Hypersensitivity; D007962:Leukocytes / Q000187:drug effects / Q000276:immunology*
chemical_list: D005337:Fibrin; D006493:Heparin