000 00344nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0028-4793
245 _aNew England Journal of Medicine: 2006: Vol.354 (22- 26): Shelf 17.1
260 _bMassachusetts Medical Society
_c2006
300 _a2309-2848p.
650 _aNew England Journal of Medicine
999 _c8787
_d8787