000 00334nam a2200133Ia 4500
008 240301s9999||||xx |||||||||||||| ||und||
035 _a902
082 _a547
100 _aMark Chasin ,. Robert Langer
245 0 _aBiodegradable Polymers As Drug Delivery Systems
250 _a1st
260 _bMARCEL DEKKER
_c2008
942 _cBK
999 _c219704
_d219704