000 00310nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
022 _a0028-4793
040 _aCNCLSA
245 4 _aThe New England Journal of Medicine
260 _c2005
_bMassachusetts Medical Society
_aU.K.
300 _bV.350
942 _cJRBV
999 _c14981
_d14981