title: The severity of pulmonary emphysema investigated with fractal analysis: regional dependence.
authors.forename: H W
authors.initials: HW
authors.lastname: Chung
mesh_terms: D017709:Fractals; D006108:Graphite; D006801:Humans; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging*; D013670:Sodium Pertechnetate Tc 99m; D015899:Tomography, Emission-Computed, Single-Photon
chemical_list: C056708:Technegas; D006108:Graphite; D013670:Sodium Pertechnetate Tc 99m