Archives of Gynecology and Obstetrics

, Volume 241, Supplement 1, pp S101–S106 | Cite as

Evaluating the quality of new procedures

  • I. Chalmers
Drittes Thema Chorionbiopsie


Public Health 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Appendix. Published reports of perinatal trials conducted in Switzerland (listing derived from the Oxford Database of Perinatal Trials)

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Copyright information

© Springer-Verlag 1987

Authors and Affiliations

  • I. Chalmers
    • 1
  1. 1.National Perinatal Epidemiology UnitOxford

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