Kaidbey K H, Grove K H, Kligman A M
J Invest Dermatol. 1979 Sep;73(3):743-5. doi: 10.1111/1523-1747.ep12514324.
The potentiation of sunburn by longwave ultraviolet radiation (photoaugmentation) has been examined with regard to the influence of these waves on sunburn cell production in human skin. It was found that UVA did not enhance sunburn cell production. Photoaugmentation is limited to the erythemal component of the sunburn reaction.