title: Studies on the reactivation of bacteria photodamaged by psoralen.
mesh_terms: D001345:Autoradiography; D003374:Coumarins / Q000494:pharmacology*; D004247:DNA / Q000378:metabolism / Q000528:radiation effects*; D004926:Escherichia coli / Q000528:radiation effects; D010777:Photochemistry; D010788:Photosynthesis; D011830:Radiation Effects; D013941:Thymine; D014316:Tritium; D014466:Ultraviolet Rays
chemical_list: D003374:Coumarins; D014316:Tritium; D004247:DNA; D013941:Thymine