title: Analysis of airborne ammonia: comparison of field methods.
authors.forename: A
authors.initials: A
authors.lastname: Manninen
mesh_terms: D000395:Air Pollutants, Occupational / Q000032:analysis*; D000641:Ammonia / Q000032:analysis*; D000818:Animals; D002645:Chickens; D006799:Housing, Animal; D008452:Maximum Allowable Concentration; D008722:Methods
chemical_list: D000395:Air Pollutants, Occupational; D000641:Ammonia