TY - RPRT TI - Determining sample size for ROC studies: what is reasonable for the expected difference in tests' ROC areas? AU - Nancy A Obuchowski PY - 2003 DO - 10.1016/s1076-6332(03)00386-6 UR - https://pubmed.ncbi.nlm.nih.gov/14626309/ ID - 14626309 ER -