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Case series and exposure series: the role of studies without controls in providing information about the etiology of injury or disease
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Authors

  1. Correspondence to: Dr Peter Cummings, Harborview Injury Prevention and Research Center, Box 359960, 325 Ninth Avenue, Seattle, WA 98104–2499, USA.
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Citation

Cummings P, Weiss NS
Case series and exposure series: the role of studies without controls in providing information about the etiology of injury or disease

Publication history

  • First published March 1, 1998.
Online issue publication 
March 01, 1998

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