title: Evidence is in: begin mammography at 40.
authors.affiliation: Stanford University, California, USA.
authors.forename: P B
authors.initials: PB
authors.lastname: Kivitz
mesh_terms: D000328:Adult; D000367:Age Factors; D001943:Breast Neoplasms / Q000517:prevention & control; D005260:Female; D017048:Health Care Costs; D006801:Humans; D008327:Mammography / Q000191:economics; D008403:Mass Screening / Q000191:economics; D008875:Middle Aged