From "Screening Mammography Rates by Specialty of the Usual Care Physician" Effective Clinical Practice, May/June 1999. 2:120-125.
Figure 1. Relation between the specialty of the primary physician and the proportion of women receiving mammography among Medicare beneficiaries aged 65 to 69 years (left) and women 70 years and older (right). (Only 95% CIs greater than ± 2% are shown).>