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 : 1993 : Volume 328(Jan-Mar) : Shelf 17.6
260 _bThe Massachusetts Medical Society
_c1993
300 _a900p.
650 _aNew England Journal of Medicine
999 _c5861
_d5861