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. 2015 May 27;24(7):765–770. doi: 10.1002/pds.3800

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© 2015 The Authors. Pharmacoepidemiology and Drug Safety published by John Wiley & Sons, Ltd.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Distribution of the intussusception cases meeting the Brighton levels 1 to 3 and reported to occur in the 30‐day post‐vaccination risk period, according to infants' age (weeks) at vaccination (A) and at onset of intussusception (B)