00342nas a2200157   4500000000100000000000100001008004100002100001800043700001700061700001200078700001300090245004700103300001200150490000800162022001400170       2004                            d1 aR. Schlienger1 aM. Kraenzlin1 aS. Jick1 aC. Meier00aUse of beta-blockers and risk of fractures  a1326-320 v292  a0098-7484