TY - RPRT TI - Controlled release microparticles for vaccine development. AU - D T O'Hagan AU - H Jeffery AU - M J Roberts AU - J P McGee AU - S S Davis PY - 1991 DO - 10.1016/0264-410x(91)90295-h UR - https://pubmed.ncbi.nlm.nih.gov/1759495/ ID - 1759495 ER -