@misc{indiciaef1c42d3d9691, title = {Drug delivery by genetically engineered cell implants.}, author = {J A Zwiebel and S M Freeman and K Newman and D Dichek and U S Ryan and W F Anderson}, year = {1991}, doi = {10.1111/j.1749-6632.1991.tb27259.x}, url = {https://pubmed.ncbi.nlm.nih.gov/2006798/}, note = {Source identifier: 2006798} }