title: Letter: immunoglobulin separation using Sephadex G-200.
mesh_terms: D000906:Antibodies / Q000302:isolation & purification; D002850:Chromatography, Gel; D006801:Humans; D007074:Immunoglobulin G / Q000302:isolation & purification*; D007075:Immunoglobulin M / Q000302:isolation & purification*; D008722:Methods; D012409:Rubella / Q000175:diagnosis / Q000276:immunology*
chemical_list: D000906:Antibodies; D007074:Immunoglobulin G; D007075:Immunoglobulin M