title: [Emphasize and strengthen causal relationship argumentation in medical research].
authors.forename: Zong-yi
authors.initials: ZY
authors.lastname: Ding
mesh_terms: D035843:Biomedical Research / Q000379:methods* / Q000592:standards; D004194:Disease / Q000209:etiology*; D006801:Humans; D012307:Risk Factors