Fix, Douglas F.2023-06-272023-06-271983https://hdl.handle.net/1805/34041This document only includes an excerpt of the corresponding thesis or dissertation. To request a digital scan of the full text, please contact the Ruth Lilly Medical Library's Interlibrary Loan Department (rlmlill@iu.edu).en-USMutagenesisUltraviolet radiationEscherichia coliDissertation