000 00285nam a2200097Ia 4500
008 220809s1993 xx 000 0 und d
041 _aeng
245 _aMedical Clinics of North America Vol.77, No.2, March 1993
260 _aPhiladelphia
_bWB Saunders Co
_c1993
520 _aBack Volume
999 _c159389
_d159389