Influenza vaccine.
D000368:Aged; D003577:Cytochrome P-450 Enzyme System / Q000378:metabolism*; D006801:Humans; D007252:Influenza Vaccines / Q000009:adverse effects*; D008099:Liver / Q000201:enzymology*
D007252:Influenza Vaccines; D003577:Cytochrome P-450 Enzyme System