title: An improved technique for sampling bronchial secretions from normal calves.
authors.forename: R
authors.initials: R
authors.lastname: Hajer
authors.forename: T
authors.initials: T
authors.lastname: Wensing
authors.forename: R
authors.initials: R
authors.lastname: Keg
authors.forename: S
authors.initials: S
authors.lastname: Boerma
authors.forename: F T
authors.initials: FT
authors.lastname: Willems
mesh_terms: D000667:Ampicillin / Q000032:analysis; D000818:Animals; D001980:Bronchi / Q000032:analysis*; D002404:Catheterization / Q000662:veterinary; D002417:Cattle / Q000378:metabolism*; D005260:Female; D013048:Specimen Handling / Q000662:veterinary*
chemical_list: D000667:Ampicillin