TY - RPRT TI - Dose dependent decrease in extractability of DNA from bacteria following irradiation with ultraviolet light or with visible light plus dye. AU - K C SMITH PY - 1962 DO - 10.1016/0006-291x(62)90255-3 UR - https://pubmed.ncbi.nlm.nih.gov/13914317/ ID - 13914317 ER -