Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 20 · spans the page · from the scan, no model involved

MAMSI, NYLCARE, Prudential, CHIR, BCBS Of Virginia and The National Capital Area, GWUHP, Alliance, Affordable, Aetna, Healthkeepers, Humana HMO, Key Care, Key Advantage, Medicaid, Medicaid Medallion, Metra Health, NCPPO, PHCS, Qual Choice, US Healthcare, Medicare Mammography ACR accredited facility, participating with the above plans
93.9%