TY - RPRT TI - Study design and sample sizes for a lacI transgenic mouse mutation assay. AU - W W Piegorsch AU - B H Margolin AU - M D Shelby AU - A Johnson AU - J E French AU - R W Tennant AU - K R Tindall PY - 1995 DO - 10.1002/em.2850250310 UR - https://pubmed.ncbi.nlm.nih.gov/7737141/ ID - 7737141 ER -