000 00390nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a128612
082 _a610.5
_bNEW
245 4 _aThe NEW England journal of medicine vol.321, no.1-13, July-Sep.1989.
260 _aMassachusetts
_bMassachusetts medical society
_c1989
300 _a916 p.
650 _aMedicine- Periodicals
942 _cBP
999 _c85992
_d85992