"soft x-ray" . . "unclear distinctions" . . . "x-ray department" . "X" . . "x-ray scan" . "x-ray scans" . . . "X-ray#History" . . "X-ray imaging" . . "X ray" . "X-ray" . "conventional X-ray" . "X-ray photons" . "x-ray attenuating" . "History of X-rays" . . . . . "hard X-ray" . . "X-ray#Soft_and_hard_X-rays" . . "hard powerlaw X-ray spectra" . "x-rays" . "X-Rayed" . . . "Radiographic" . . "X-ray Inspection" . "x-ray microanalysis" . . . "X-ray screening" . "radiological health" . . . "X-ray#Production" . "x-ray" . "R\u00F6ntgen radiation" . . "X- ray" . "X-" . . "X-ray scanners" . . "soft X-rays" . "x-radiation" . . . . . "Roentgen ray" . "x-ray radiation" . "X-beam" . . "ekseu-rei" . "X-ray#Frank Austin and the Frost brothers" . . . . . . . "X-ray scattering" . "Soft X-ray Camera or SXC" . . . . . . "X-rays or R\u00F6ntgen rays" . . "roentgen" . . "X-rays" . "hard X-ray emissions" . "serial X-ray screening" . . . . "soft-X-ray (SXR)" . "X-Ray" . "Radiology" . "X-radiation" . . . "X-rayed" . . "X-ray#Medical_uses" . "x-ray sensors" . "X-ray examinations" . . "plain film examination" . . . . . . . . "archaic name for \\\"X-rays\\\"" . "x-rayed" . "X-ray emissions" . . "Xrays" . . . "radiograph" . "medical x-ray" . . "X-ray Technology" . . . . "x-ray baggage scanner" . "X-ray#Soft and hard X-rays" . . "Roentgen" . . "X-raying" . . "x-irradiation" . "radiographically imaged" . . . "radiographically" . . "X-ray light" . "hard x-ray" . . . . . "Diagnostic X-Ray" . "X-ray" . . . "x-ray emission" . "Radiographs" . . . "roentgenological" . "X-ray scans" . . "X Rays" . "X-ray scan" . . . "Roentgen rays" . "X rays" . "X-ray emission spectrum" . "XR" . . . "conventional radiography" . "X-ray radiation" . "X-ray plates" . . "x-raying" . "radiographs" . "x-ray imaging" . "Roentgen Rays" . . . . "X-Rays" . . . "x-ray photon" . "X-ray#Adverse_effects" . . . . . . . . . "Soft X-ray" . . "R\u00F6ntgen" . . "R\u00F6ntgen rays" . . "proportional counter" . "X-ray irradiation" . . . "X-ray emission" . . . "radiographic" . . "medical X-ray treatments" .