title: Cox model setup may lead to erroneous conclusions.
authors.forename: Peter
authors.initials: P
authors.lastname: Morfeld
mesh_terms: D002244:Carbon / Q000032:analysis*; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality*; D008297:Male; D018986:Motor Vehicles; D016273:Occupational Exposure; D001335:Vehicle Emissions / Q000633:toxicity*
chemical_list: D001335:Vehicle Emissions; D002244:Carbon