TY - RPRT TI - Targeted drug delivery. AU - A I Freeman AU - E Mayhew PY - 1986 DO - 10.1002/1097-0142(19860715)58:2+<573::aid-cncr2820581328>3.0.co;2-c UR - https://pubmed.ncbi.nlm.nih.gov/3521839/ ID - 3521839 ER -