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Papers Published

1. Johnson, GA; O'Foghludha, F, An experimental "trans-molybdenum" tube for mammography., Radiology, vol. 127 no. 2 (May, 1978), pp. 511-516 [644079], [doi] .
   (last updated on 2025/02/12)

   Abstract:
   Possible mammographic advantages of "trans-molybdenum" anodes (atomic number greater than ZMo) are decreased dose because the fluorescent radiation is more penetrating, and increased useful output; contrast degradation is known to be tolerable. The output per mAs, the HVT in Al, and the penetration in Lucite were measured spectroscopically for an experimental Rh-anode tube and also for Mo- and W-anode mammographic tubes. The trans-molybdenum tube was shown to have output and dose advantages over Mo anodes, and output and contrast advantages over normal and selectively filtered W anodes. Possible applications in areas other than mammography are briefly discussed.

   Keywords:
   Fluorescence • Humans • Intubation • Mammography • Molybdenum • Radiation Dosage • instrumentation*