title: Revision of ritonavir starting dose.
mesh_terms: D019380:Anti-HIV Agents / Q000008:administration & dosage* / Q000009:adverse effects*; D004334:Drug Administration Schedule; D015658:HIV Infections / Q000188:drug therapy*; D006801:Humans; D009325:Nausea / Q000139:chemically induced*; D019438:Ritonavir / Q000008:administration & dosage* / Q000009:adverse effects*
chemical_list: D019380:Anti-HIV Agents; D019438:Ritonavir