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Brown EL, Rivas JM, Ullrich SE, Young CR, Norris SJ, Kripke ML.Brown EL, et al. Among authors: ullrich se.Eur J Immunol. 1995 Nov;25(11):3017-22. doi: 10.1002/eji.1830251105.Eur J Immunol. 1995.PMID: 7489737
Brown EL, Ullrich SE, Pride M, Kripke ML.Brown EL, et al. Among authors: ullrich se.Photochem Photobiol. 2001 May;73(5):537-44. doi: 10.1562/0031-8655(2001)073<0537:TEOUIO>2.0.CO;2.Photochem Photobiol. 2001.PMID: 11367577