000 00344nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0028-4793
245 _aNew England Journal of Medicine: 2003: Vol.349(22- 26): Shelf 17.3
260 _bMassachusetts Medical Society
_c2003
300 _a2091-2580p.+
650 _aNew England Journal of Medicine
999 _c8425
_d8425