An integrated YAC map of the human X chromosome. by Roest Crollius, H, Ross, M, Grigoriev, A, Knights, C, Holloway, E, Misfud, J, Li, K, Playford, M, Gregory, S, Humphray, S, Coffey, A, See, C, Marsh, S, Vatcheva, R, Kumlien, J, Labella, T, Lam, V, Rak, K, Todd, K, Mott, R, Graeser, D, Rappold, G, Zehetner, G, Poustka, A, Bentley, DR