TY - RPRT TI - A note on sample size calculation for mean comparisons based on noncentral t-statistics. AU - Shein-Chung Chow AU - Jun Shao AU - Hansheng Wang PY - 2002 DO - 10.1081/bip-120016229 UR - https://pubmed.ncbi.nlm.nih.gov/12477068/ ID - 12477068 ER -