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| | BabyCenter | Readers' Comments - Will you immunize your child? (Site not responding. Last check: 2007-10-09) |
 | | Rutter, Michael; Journal of Intellectual Disability Research, Vol 49(4), Apr 2005. |
 | | Hviid, Anders; Stellfeld, Michael; Wohlfahrt, Jan; JAMA: Journal of the American Medical Association, Vol 290(13), Oct 2003. |
 | | A population-based study of measles, mumps, and rubella vaccination and autism. |
| www.babycenter.com /comments/3317?i=400 (2035 words) |
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