title: Gross and ultrastructural observations on lesions produced by intradermal injection of human C3a in man.
mesh_terms: D000328:Adult; D000707:Anaphylaxis / Q000473:pathology; D002196:Capillaries / Q000187:drug effects* / Q000473:pathology; D002199:Capillary Permeability / Q000187:drug effects*; D002986:Clinical Trials as Topic; D003165:Complement System Proteins; D006634:Histamine H1 Antagonists / Q000494:pharmacology; D006636:Histamine Release; D006801:Humans; D008407:Mast Cells; D010455:Peptides; D012867:Skin / Q000098:blood supply
chemical_list: D006634:Histamine H1 Antagonists; D010455:Peptides; D003165:Complement System Proteins