المؤلفون: Schwab, Lea T., Roberts, James R., Reigart, J. Routt

المصدر: Archives of Pediatrics & Adolescent Medicine ; volume 157, issue 6, page 584 ; ISSN 1072-4710

الاتاحة: http://dx.doi.org/10.1001/archpedi.157.6.584
https://archpedi.jamanetwork.com/ama/content_public/journal/peds/11795/poa20395_584_586.pdf