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Craggs J, Kirk SH, Ahmad SI.Craggs J, et al. Among authors: kirk sh.J Photochem Photobiol B. 1994 Jul;24(2):123-8. doi: 10.1016/1011-1344(94)07014-8.J Photochem Photobiol B. 1994.PMID: 7931851
Paretzoglou A, Stockenhuber C, Kirk SH, Ahmad SI.Paretzoglou A, et al. Among authors: kirk sh.J Photochem Photobiol B. 1998 May 15;43(2):101-5. doi: 10.1016/S1011-1344(98)00089-X.J Photochem Photobiol B. 1998.PMID: 9679311
Ahmad SI, Hargreaves A, Taiwo FA, Kirk SH.Ahmad SI, et al. Among authors: kirk sh.J Photochem Photobiol B. 2004 Dec 2;77(1-3):55-62. doi: 10.1016/j.jphotobiol.2004.08.007.J Photochem Photobiol B. 2004.PMID: 15542362
Hargreaves A, Taiwo FA, Duggan O, Kirk SH, Ahmad SI.Hargreaves A, et al. Among authors: kirk sh.J Photochem Photobiol B. 2007 Dec 14;89(2-3):110-6. doi: 10.1016/j.jphotobiol.2007.09.007. Epub 2007 Sep 20.J Photochem Photobiol B. 2007.PMID: 17977740