TY - BOOK AU - AU - Chasin,Mark & Langer,Robert TI - Biodegradable polymers as drug delivery systems. SN - 0824783441 U1 - 615.19/B615 PY - 1990/// CY - New York PB - Marcel dekker KW - Drug delivery systems.Drugs N1 - index: 337-347Biblio:315-338.Series:Drugs and the Pharmaceutical science ER -