title: The chicken egg, an antibody source.
mesh_terms: D000818:Animals; D002645:Chickens / Q000276:immunology*; D007114:Immunization; D007116:Immunization, Passive; D007074:Immunoglobulin G / Q000032:analysis / Q000302:isolation & purification*; D010063:Ovum / Q000276:immunology*
chemical_list: D007074:Immunoglobulin G