000 00396nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0028-4793
100 _aNew England Journal of Medicine
245 _aNew England Journal of Medicine : 1997 : Volume 336(Jan-Mar) : Shelf 17.4
260 _bThe Massachusetts Medical Society
_c1997
300 _a972p.
650 _aNew England Journal of Medicine
999 _c6365
_d6365