TY - RPRT TI - Is there a proportionality between the spontaneous and the X-ray-induction rates of mutations? Experiments with mutations at 13 X-chromosome loci in Drosophila melanogaster. AU - P T Shukla AU - K Sankaranarayanan AU - F H Sobels PY - 1979 DO - 10.1016/0027-5107(79)90130-1 UR - https://pubmed.ncbi.nlm.nih.gov/113675/ ID - 113675 ER -