title: Re: "Easy SAS calculations for risk or prevalence ratios and differences".
authors.forename: L
authors.initials: L
authors.lastname: Tian
authors.forename: K
authors.initials: K
authors.lastname: Liu
mesh_terms: D001943:Breast Neoplasms / Q000401:mortality; D003627:Data Interpretation, Statistical; D015991:Epidemiologic Measurements; D006801:Humans; D015995:Prevalence; D018570:Risk Assessment; D012984:Software