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- [2] SIMPLE AND RAPID METHOD OF CHECKING OUTPUT OF SUPERFICIAL X-RAY AND GRENZ-RAY THERAPY MACHINES BRITISH JOURNAL OF RADIOLOGY, 1968, 41 (489): : 709 - &
- [3] THE GRENZ-RAY OUTPUT CHARACTERISTICS OF A SUPERFICIAL THERAPY MACHINE BRITISH JOURNAL OF RADIOLOGY, 1964, 37 (442): : 798 - 801