Vol. 184, No. 4, April 1998

Regular Contributions
Replacement of the ascending aorta and aortic valve with a composite graft: Operative and long-term results. K. Tabayashi, T. Fukujyu, Y. Turu, M. Sadahiro, T. Konnai, N. Uchida, M. Ohmi and Y. Sekino [PDF]	257
Distribution of ABH blood group epitopes on inner surface of dental hard tissue: Serological, immunohistochemical and ultrastructural study on odontoblasts. Y. Nakayama and Y. Aoki [PDF]	267
Evaluation of techniques for the cryopreservation of washed spermatozoa: Comparisons between Ham's F-10 and TEST-Yolk media. P.M. Zavos, J.R. Correa and P.N. Zarmakoupis-Zavos [PDF]	277
Mp colorectal cancer should be defined as early colorectal cancer. K. Kitamura, S. Nishida, K. Yamamoto, D. Ichikawa, K. Okamoto, K. Sawai, T. Yamaguchi and T. Takahashi [PDF]	285
The in vitro effect of b-carotene and mitomycin C on SCE frequency in Down's syndrome lymphocyte cultures. F. Bal, F. -I. Şahin, M. Yirmibes, A. Balci and S. Menevşe [PDF]	295
Growth reacceleration of school children in the city of Sendai, Japan. H. Nakatsuka, H. Satoh and M. Ikeda [PDF]	301
Serum levels of soluble interleukin-2 receptor in patients with various renal diseases. H. Sugimoto, N. Hashimoto, S. Suzuki and F. Gejyo [PDF]	311
Short Report
Isoprenaline enhances both voltage-dependent Ba2+ and K+ currents in guinea-pig vas deferens. H. Inomata, T. Mimata and M. Wakui [PDF]	317

This publication is supported in part by the Grant-in-Aid for Publication of Scientific Research Result from the Japan Society for the Promotion of Science(Grant Number 18HP2007).