TY - RPRT TI - Identifying influential families using regression diagnostics for generalized estimating equations. AU - A Ziegler AU - M Blettner AU - C Kastner AU - J Chang-Claude PY - 1998 DO - 10.1002/(sici)1098-2272(1998)15:4<341::aid-gepi2>3.0.co;2-5 UR - https://pubmed.ncbi.nlm.nih.gov/9671985/ ID - 9671985 ER -