T Toyo-Oka, T Kawada, J Nakata, H Xie, M Urabe, F Masui, T Ebisawa, A Tezuka, K Iwasawa, T Nakajima, Y Uehara, H Kumagai, S Kostin, J Schaper, M Nakazawa, K Ozawa
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 101(19) 7381-7385, May, 2004