title: Non-identifiability and the age period cohort model: firm comprehension is an a Priori prerequisite.
authors.forename: F
authors.initials: F
authors.lastname: Bray
authors.forename: E
authors.initials: E
authors.lastname: de Vries
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D015982:Bias; D015988:Cohort Effect; D005260:Female; D005860:Germany, West / Q000453:epidemiology; D006801:Humans; D008297:Male; D008545:Melanoma / Q000145:classification / Q000401:mortality*; D008875:Middle Aged; D012307:Risk Factors; D012878:Skin Neoplasms / Q000145:classification / Q000401:mortality*