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Near-Ultraviolet Mutagenesis in Superoxide Dismutase-deficient Strains of Escherichia coli
(National Institute of Environmental Health Sciences, 1994)
We compared mutagenic spectra induced by polychromatic near-ultraviolet radiation (near-UV; 300-400 nm) with superoxide anion (O2-) -dependent mutagenesis using a set of Escherichia coli tester strains. Near-UV radiation ...
Storytelling in Medieval Wales
(1992-10)
Very little is known of the storyteller and his functions in medieval Welsh society. Welsh sources imply that tales were recited in prose by professional storytellers--the cyfarwyddiaid (singular cyfarwydd). In medieval ...
Annotated bibliography 1986-1990
(1997-10)