TY - RPRT TI - Development and characterization of microencapsulated microspheres. AU - A Göpferich AU - M J Alonso AU - R Langer PY - 1994 DO - 10.1023/a:1018901619230 UR - https://pubmed.ncbi.nlm.nih.gov/7870673/ ID - 7870673 ER -