title: Electron microscopic observations of lipid antigens with special reference to the Wassermann antigen.
mesh_terms: D000942:Antigens, Bacterial / Q000032:analysis; D002308:Cardiolipins / Q000276:immunology; D002784:Cholesterol / Q000276:immunology; D002855:Chromatography, Thin Layer; D003168:Complement Fixation Tests; D006241:Haptens; D008055:Lipids / Q000276:immunology*; D046911:Macromolecular Substances; D008854:Microscopy, Electron; D008961:Models, Structural; D010713:Phosphatidylcholines / Q000276:immunology; D010772:Phosphotungstic Acid; D013194:Staining and Labeling; D014210:Treponema pallidum / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial; D002308:Cardiolipins; D006241:Haptens; D008055:Lipids; D046911:Macromolecular Substances; D010713:Phosphatidylcholines; D010772:Phosphotungstic Acid; D002784:Cholesterol