000 00278nam a2200097Ia 4500
008 220809s1991 xx 000 0 und d
041 _aeng
245 _aAmerican Journal of Roentgenology Vol.157, 1991
260 _aBaltimore
_bWilliam and Wilkins Co
_c1991
520 _aBack Volume
999 _c159116
_d159116