title: Ultrasonic solution.
authors.affiliation: Bird-X Inc. of Chicago, Ill., USA.
authors.forename: R W
authors.initials: RW
authors.lastname: Delaney
mesh_terms: D000818:Animals; D001717:Birds; D006801:Humans; D016273:Occupational Exposure / Q000517:prevention & control*; D012140:Respiratory Tract Diseases / Q000517:prevention & control*; D014465:Ultrasonics