title: 6-month vs 12-month heartworm prevention.
authors.forename: James C
authors.initials: JC
authors.lastname: Frank
mesh_terms: D000818:Animals; D000871:Anthelmintics / Q000008:administration & dosage* / Q000494:pharmacology*; D009033:Culicidae / Q000502:physiology; D004182:Dirofilaria / Q000502:physiology; D004184:Dirofilariasis / Q000517:prevention & control*; D004285:Dogs; D004334:Drug Administration Schedule; D012621:Seasons
chemical_list: D000871:Anthelmintics