title: True measurement of the angle in a slant hole collimator.
authors.forename: H D
authors.initials: HD
authors.lastname: Fawcett
mesh_terms: D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D007223:Infant; D008198:Lymph Nodes / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging / Q000379:methods*