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Research Article

Zero of nine may be 30%, and a 10% risk isn't zero

Page 473 | Published online: 07 Aug 2009

References

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  • Hanley JA, Lippmann-Hand A. If nothing goes wrong, is everything all right? JAMA 1983; 249: 1743–5.
  • Hagberg B, Hagberg G, Olow I, v Wendt L. The changing panorama of cerebral palsy in Sweden. VII. Prevalence and origin in the birth year period 1987–90. Acta Paediatr 1996; 85: 954–60.
  • Pharoah POD, Cooke RWI. Registering a fetus papyraceus. Registration is important for research into cerebral palsy. BMJ 1997; 314: 441–2.

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