K Akazawa

Simulation program for estimating statistical power of Cox's proportional hazards model assuming no specific distribution for the survival time.

K Akazawa, T Nakamura, S Moriguchi, 1991, Computer methods and programs in biomedicine.

Patient Registration and Treatment Allocation in Multicenter Clinical Trials Using a FAX-OCR System

Y. Nose, K Akazawa, Y Nose, 1994, Methods of Information in Medicine.

Power of logrank test and Cox regression model in clinical trials with heterogeneous samples.

T. Nakamura, Y. Palesch, Y Palesch, 1997, Statistics in medicine.