000 00402nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a128615
082 _a610.5
_bNEW
245 _aTHE NEW England journal of medicine vol.322, no.15-26, Apr.-June 1990.
260 _aMassachusetts
_bThe Massachusetts medical society
_c1990
300 _a1021-1896 p.
650 _aMedicine- Periodicals
942 _cBP
999 _c85998
_d85998