000 00267nam a2200097Ia 4500
008 220809s1994 xx 000 0 und d
041 _aeng
245 _aThe Practitioner Vol.238, No.1534-1545, 1994
260 _aLondon
_bThe Practitioner
_c1994
520 _aBack Volume
999 _c159733
_d159733