Radfosensitivity and Rejoining Rate of X-Ray-/nduced DNA Single-Strand Breaks in Tuberous Sclerosls Fibroblasts: Masataka ARIMA, Yutaka YOSHIDA, Yoshlhlro TAKEHANA and Harurni TANAKA (Div. Mental Retard. Birth Defect Res., Natl. Cent. Nerv., Mental Muscular Disorders, Kodaira) Thirteen ...