title: Absence of P2 protein in swine flu vaccines.
mesh_terms: D004340:Drug Contamination; D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D007252:Influenza Vaccines / Q000032:analysis*; D004676:Myelin Basic Protein / Q000032:analysis*; D018996:Myelin P2 Protein; D011129:Polyradiculoneuropathy / Q000209:etiology; D011863:Radioimmunoassay
chemical_list: D007252:Influenza Vaccines; D004676:Myelin Basic Protein; D018996:Myelin P2 Protein