Ogihara T, Nakao K, Fukui T, Fukiyama K, Ueshima K, Oba K, Sato T, Saruta T. Effects of candesartan compared with amlodipine in hypertensive patients with high cardiovascular risks: CASE-J trial. Hypertension 2008; 51: 393-8.
Cho H, Tsuburaya A, Sakamoto J, Morita S, Oba K, Yoshikawa T, Miyajima N; Adjuvant Exercise for General Elective Surgery (AEGES) Study Group. A randomized phase II trial of preoperative exercise to reduce operative risk in gastric cancer patients with metabolic syndrome: adjuvant exercise for general elective surgery (AEGES) study group. Jpn J Clin Oncol 2008; 38: 71-3.
Morita S, Kaptain AA, Oba K, Sakamoto J. Domain Structure of the EORTC QLQ-STO22 Supported by Japanese Validation Data. Psychooncology 2008; 17: 474-9.
Ogihara T, Nakao K, Fukui T, Fukiyama K, Fujimoto A, Ueshima K, Oba K, Shimamoto K, Matsuoka H, Saruta T, for the CASE-J Trial Group. The optimal target blood pressure for antihypertensive treatment in the Japanese elderly patients with high-risk hypertension: a subanalysis of CASE-J trial. Hypertens Res 2008; 31: 1595-601.
Yoshida S, Matsuyama Y, Ohashi Y, and Ueshima H. A Poisson mixed effects model for investigating the exposure-by-cohort interaction: A Gibbs sampling approach. Japanese Journal of Biometrics 2008; 29: 61-74.
Uemura K, Matsuyama Y, and Ohashi Y. A modified conditional power approach for increasing the sample size based on an interim estimate of treatment difference. Japanese Journal of Biometrics 2008; 29: 19-34.