000 00312nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
022 _a0028-4793
040 _aCNCLSA
245 4 _aThe New England Journal Of Medicine
260 _c1999
_bThe Massachusetts Medical Society
_aU.K
300 _bV.39
942 _cJRBV
999 _c29437
_d29437