title: Acyclovir in the prevention of severe aphthous ulcers.
authors.forename: A
authors.initials: A
authors.lastname: Pedersen
mesh_terms: D000212:Acyclovir / Q000627:therapeutic use*; D006801:Humans; D012008:Recurrence; D013281:Stomatitis, Aphthous / Q000517:prevention & control*
chemical_list: D000212:Acyclovir