TY - RPRT TI - Saddlepoint approximations for small sample logistic regression problems. AU - R W Platt PY - 2000 DO - 10.1002/(sici)1097-0258(20000215)19:3<323::aid-sim372>3.0.co;2-d UR - https://pubmed.ncbi.nlm.nih.gov/10649299/ ID - 10649299 ER -