TY - RPRT TI - A random allocation system with the minimization method for multi-institutional clinical trials. AU - K Akazawa AU - T Odaka AU - M Sakamoto AU - S Ohtsuki AU - M Shimada AU - T Kamakura AU - Y Nose PY - 1991 DO - 10.1007/bf00999168 UR - https://pubmed.ncbi.nlm.nih.gov/1800602/ ID - 1800602 ER -