TY - RPRT TI - Gene therapy systems: the need, experimental approach, and implications. AU - J V Osterman AU - A Waddell AU - H V Aposhian PY - 1971 DO - 10.1111/j.1749-6632.1971.tb46929.x UR - https://pubmed.ncbi.nlm.nih.gov/4328263/ ID - 4328263 ER -