A 2.6-MB YAC CONTIG OF THE HUMAN X-INACTIVATION CENTER REGION IN XQ13 - PHYSICAL LINKAGE OF THE RPS4X, PHKA1, XIST, AND DXS128E GENES AND REFINEMENT OF THE XIC-CONTAINING INTERVAL - Lafreniere, R; Brown, C; Rider, S; Chelly, J; Taillonmiller, P; Chinault, C; Monaco, A; Willard, H (1993)