00503nas a2200205   4500000000100000000000100001008004100002100001500043700001500058700001400073700002000087700001900107700001400126700001600140700001600156245009300172300001100265490000700276022001400283       2013                            d1 aS. Pouwels1 aA. de Boer1 aM. Javaid1 aD. Hilton-Jones1 aJ. Verschuuren1 aC. Cooper1 aH. Leufkens1 aF. de Vries00aFracture rate in patients with myasthenia gravis: the general practice research database  a467-760 v24  a0937-941x