TY - RPRT TI - Quantifying epidemiologic risk factors using non-parametric regression: model selection remains the greatest challenge. AU - Philip S Rosenberg AU - Hormuzd Katki AU - Christine A Swanson AU - Linda M Brown AU - Sholom Wacholder AU - Robert N Hoover PY - 2003 DO - 10.1002/sim.1638 UR - https://pubmed.ncbi.nlm.nih.gov/14566921/ ID - 14566921 ER -