@conference{c2b1bcf47c3747b4a2f800af3a50f30c, title = "Topical coal tar and all-trans retinoic acid modulate drug metabolising gene expression in human skin in vivo", author = "Ibbotson, {S. H.} and G. Smith and Sawe, {R. S.} and Comrie, {M. M.} and A. Bryden and Wolf, {C. E.} and J. Ferguson", year = "2003", }