000 00421nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aThe Journal of the American Medical Association
245 _aJAMA : The Journal of the American Medical Association : 1987 : Volume 257(Mar-Apr) : Shelf 13.6
260 _bAmerican Medical Association
_c1987
300 _a2248p.
650 _aThe Journal of the American Medical Association
999 _c4748
_d4748