TY - RPRT TI - Amino acid replacements associated with reversion and recombination within a coding unit. AU - J R Guest AU - C Yanofsky PY - 1965 DO - 10.1016/s0022-2836(65)80328-x UR - https://pubmed.ncbi.nlm.nih.gov/5323485/ ID - 5323485 ER -