000 00314nam a2200121Ia 4500
008 240301s9999||||xx |||||||||||||| ||und||
035 _a2302
100 _aMark Chasin , Robert Langer
245 0 _aBiodegradable Polymers As Drug Delivery Systems
250 _a1st
260 _bMARCEL DEKKER
_c2008
942 _cBK
999 _c221104
_d221104