R G Babicheva

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OBJECTIVE To assess the validity of four models for the role of quantitative ultrasound (QUS) in the management of osteoporosis. DESIGN Cross-sectional survey and review of literature. SETTINGS Nuclear medicine departments of three teaching hospitals in Sydney. SUBJECTS 1000 women aged 22 to 88 years (mean, 59 years) referred for assessment of(More)
Several methods of determining gamma-camera collimators hole alignment and integrity were compared. Four collimators were tested: two new cast collimators and two used foil collimators, one with damage to the protective surface. The most sensitive tests for collimator damage were found to be the collimated x-ray source, COR offset test and collimator hole(More)
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