title: Letter from Europe.
mesh_terms: D000818:Animals; D000981:Antiprotozoal Agents / Q000009:adverse effects*; D004131:Dimetridazole / Q000009:adverse effects; D004350:Drug Residues; D005060:Europe; D009581:Nitrofurans / Q000009:adverse effects; D011201:Poultry Diseases / Q000188:drug therapy*; D011528:Protozoan Infections / Q000188:drug therapy*; D014422:Turkeys
chemical_list: D000981:Antiprotozoal Agents; D009581:Nitrofurans; D004131:Dimetridazole; C032119:nifursol