title: Letter: Dermal IgA deposits in Henoch-Schönlein purpura and Berger's nephritis.
mesh_terms: D003165:Complement System Proteins; D006801:Humans; D006967:Hypersensitivity / Q000276:immunology; D007070:Immunoglobulin A / Q000302:isolation & purification*; D007073:Immunoglobulin E / Q000302:isolation & purification; D007074:Immunoglobulin G / Q000302:isolation & purification; D007075:Immunoglobulin M / Q000302:isolation & purification; D009393:Nephritis / Q000276:immunology*; D011693:Purpura / Q000276:immunology*; D012867:Skin / Q000276:immunology*
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007073:Immunoglobulin E; D003165:Complement System Proteins