00350    a2200121   4500020001500000082002000015245007800035260002800113300001800141650002200159650001300181650003400194  a9241545224  a616.716016bGUI  aGuidelines for preclinical evaluation and clinical trials in osteoporosis  aGenevabWHOc1998g1998  avi,68p.c24cm  aDiseases of bones  aDiseases  aDisorders of metabolic origin