title: The USDA requirements for control of chlamydiosis in imported birds.
authors.affiliation: Import-Export Animal Staff, Veterinary Services, Hyattsville, MD 20782.
authors.forename: W H
authors.initials: WH
authors.lastname: Ritchie
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000517:prevention & control*; D001717:Birds; D002690:Chlamydia Infections / Q000517:prevention & control / Q000662:veterinary*; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control; D014481:United States