000 00268nam a2200109Ia 4500
008 201224s9999||||xx |||||||||||||| ||und||
100 _aUSP
_94045
245 0 _aUS Pharmacopoeia, Supplement No.4
260 _bUSP convention
_c1996
300 _a23rd revision
942 _cBK
999 _c7269
_d7253