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Tomeo CA, Field AE, Berkey CS, Colditz GA, Frazier AL.Tomeo CA, et al. Among authors: berkey cs.Pediatrics. 1999 Oct;104(4 Pt 1):918-24. doi: 10.1542/peds.104.4.918.Pediatrics. 1999.PMID: 10506235
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