From grapefruit juice to ritonavir.
D001628:Beverages; D002957:Citrus; D004359:Drug Therapy, Combination; D018565:Food-Drug Interactions; D015658:HIV Infections / Q000188:drug therapy*; D017320:HIV Protease Inhibitors / Q000008:administration & dosage / Q000493:pharmacokinetics* / Q000627:therapeutic use; D006801:Humans; D019438:Ritonavir / Q000008:administration & dosage / Q000493:pharmacokinetics* / Q000627:therapeutic use; D019258:Saquinavir / Q000008:administration & dosage / Q000493:pharmacokinetics* / Q000627:therapeutic use
D017320:HIV Protease Inhibitors; D019258:Saquinavir; D019438:Ritonavir