000 00351nam a2200133Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
022 _a0028-4793
040 _aCNCLSA
245 4 _aThe New England Journal of Medicine
260 _cJuly 1, 1999
_bThe Massachusetts Medical Society
_aEngland
300 _aP. 1-708
300 _bV. 341
942 _cJRBV
999 _c11240
_d11240