title: Essential radiology: the PAHO-WHO system.
authors: G P
authors: GP
authors: Hanson
mesh_terms: D003954:Diagnostic Services / Q000600:supply & distribution*; D006281:Health Occupations / Q000193:education; D006748:Hospital Departments / Q000600:supply & distribution*; D006801:Humans; D007843:Latin America; D010175:Pan American Health Organization; D011871:Radiology / Q000193:education; D011872:Radiology Department, Hospital / Q000600:supply & distribution*; D000078329:Workforce; D014944:World Health Organization