Topical penciclovir for herpes labialis.
D000212:Acyclovir / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000493:pharmacokinetics / Q000627:therapeutic use; D000287:Administration, Topical; D000998:Antiviral Agents / Q000627:therapeutic use*; D003365:Costs and Cost Analysis; D006147:Guanine; D006560:Herpes Labialis / Q000188:drug therapy*; D006801:Humans
D000998:Antiviral Agents; C053539:penciclovir; D006147:Guanine; D000212:Acyclovir