000 00345nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0028-4793
245 _aNew England Journal of Medicine: 2005 : Vol.353 (13- 16): Shelf 17.2
260 _bMassachusetts Medical Society
_c2005
300 _a1320-1760p.
650 _aNew England Journal of Medicine
999 _c8700
_d8700