title: Identification and characterization of three immunoglobulin classes in the northern fur seal Callorhinus ursinus.
mesh_terms: D000818:Animals; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D046069:Fur Seals; D007122:Immunoelectrophoresis; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007136:Immunoglobulins / Q000302:isolation & purification*; D008297:Male; D008970:Molecular Weight
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007136:Immunoglobulins