000 00284nam a2200097Ia 4500
008 220809s1991 xx 000 0 und d
041 _aeng
245 _aMedical Clinics of North America Vol.75, No.2, March 1991
260 _aPhiladelphia
_bWB Saunders Co
_c1991
520 _aBack Volume
999 _c158804
_d158804