000 00293nam a2200109Ia 4500
008 240301s9999||||xx |||||||||||||| ||und||
035 _a2113
100 _aMark Chasin, Robert Langer
245 0 _aBiodegradable Polymers As Drug Delivery Systems
260 _bMARCEL DEKKER
_c1990
942 _cBK
999 _c220915
_d220915