000 00307nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 4 _aThe New England Journal Of Medicine
260 _c1996
_bMassacchusets Medical Society
_aUK
300 _aP.1-1000
300 _bV.335
942 _cJRBV
999 _c25489
_d25489