Blake, G M <br/><br/>
An unexpected change in DXA calibration not detected by routine quality control checks.  [electronic resource] 

 -  Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA  1999 
 - 115-20 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0937-941X 
<br/><br/><label>Standard No.: </label>10.1007/s001980050123  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Absorptiometry, Photon--standards<br/>Analysis of Variance<br/>Bone Density<br/>Double-Blind Method<br/>Etidronic Acid--therapeutic use<br/>Female<br/>Femur Neck<br/>Humans<br/>Longitudinal Studies<br/>Middle Aged<br/>Models, Biological<br/>Osteoporosis, Postmenopausal--prevention & control<br/>Quality Control<br/>Spine<br/>Time Factors