000 00344nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0028-4793
245 _aNew England journal of Meidicine : 2005 : Vol. 353 (5-8): shelf 17.2
260 _bMassachusetts Medical Society
_c2005
300 _a450-864p.
650 _aNew England journal of Meidicine
999 _c8649
_d8649