00443nas a2200181   4500000000100000000000100001008004100002100001600043700001600059700001400075700001400089700001600103700001500119245007700134300001100211490000700222022003200229       2005                            d1 aF. de Vries1 aT. van Staa1 aM. Bracke1 aC. Cooper1 aH. Leufkens1 aJ. Lammers00aSeverity of obstructive airway disease and risk of osteoporotic fracture  a879-840 v25  a0903-1936 (Print) 0903-1936