000 00314nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 4 _aThe New England Journal Of Medicine
260 _c2005
_bMassachussets Medical Society
_aLondon
300 _aP.1315-2700
300 _bV.345
942 _cJRBV
999 _c29082
_d29082