Motivation for experimental schemes--field study in western Sweden.
D000818:Animals; D001713:Biphenyl Compounds / Q000627:therapeutic use; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy / Q000453:epidemiology / Q000517:prevention & control; D005211:Fascioliasis / Q000188:drug therapy / Q000517:prevention & control / Q000635:transmission / Q000662:veterinary*; D008297:Male; D012756:Sheep; D012757:Sheep Diseases / Q000188:drug therapy / Q000453:epidemiology / Q000517:prevention & control; D013548:Sweden
D001713:Biphenyl Compounds