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 29 · column 1 of 3 · from the scan, no model involved

(1) As recommended by the American Cancer Society (2) As recommended by the American College of Obstetricians Remainder: Recommended by the Academy of Opthalmology
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