BREAKING NEW GROUND. A TRIP WITH A PORTABLE X-RAY UNIT IN THE WESTERN ADEN PROTECTORATE IN DECEMBER 1962.
D006801:Humans; D012929:Psychological Distance; D011859:Radiography; D011871:Radiology; D013672:Technology; D013679:Technology, Radiologic; D014965:X-Rays; D015006:Yemen
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