title: Herpes drug study halted.
mesh_terms: D000212:Acyclovir / Q000009:adverse effects / Q000031:analogs & derivatives / Q000627:therapeutic use*; D000998:Antiviral Agents / Q000627:therapeutic use*; D003586:Cytomegalovirus Infections / Q000188:drug therapy*; D004305:Dose-Response Relationship, Drug; D006801:Humans; D000077483:Valacyclovir; D014633:Valine / Q000009:adverse effects / Q000031:analogs & derivatives / Q000627:therapeutic use*
chemical_list: D000998:Antiviral Agents; D014633:Valine; D000077483:Valacyclovir; D000212:Acyclovir