[1] Wallenberg Foundation, “X-ray research that raises hopes”, with portrait photograph of Dr. Hans Hertz and photographs of the Doctor in his laboratories نسخة محفوظة 10 فبراير 2017 على موقع واي باك مشين.
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[1] Wallenberg Foundation, “X-ray research that raises hopes”, with portrait photograph of Dr. Hans Hertz and photographs of the Doctor in his laboratories نسخة محفوظة 10 فبراير 2017 على موقع واي باك مشين.