Kouji NARAHARA, Tsunenori MATSUBARA, Hiroshi NAMBA, Yuji YOKOYAMA, Hiroshi KIMOTO (Dept. Pediatr. Okayama Univ., Okayama) and Ryozo KASAI (Asahigawa Jidoin Hosp., Okayama) We examined gene dosage effects for PLG and FUCA2 in a del(6q) patient with mental retardation, congenital hydrocephalus ...