title: [A special fish trip].
authors.affiliation: Gezelschapsdieren en Vissen in Leusden.
authors.forename: Peter
authors.initials: P
authors.lastname: Werkman
mesh_terms: D000818:Animals; D017756:Aquaculture / Q000379:methods / Q000592:standards*; D002397:Catfishes; D005260:Female; D005374:Filtration / Q000379:methods / Q000592:standards / Q000662:veterinary*; D005393:Fish Diseases / Q000175:diagnosis*; D008297:Male; D009573:Nitrites / Q000032:analysis / Q000633:toxicity; D011156:Population Density; D000644:Quaternary Ammonium Compounds / Q000032:analysis; D014867:Water / Q000032:analysis / Q000737:chemistry*
chemical_list: D009573:Nitrites; D000644:Quaternary Ammonium Compounds; D014867:Water