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Letter to the Editor

Possible unanticipated protective effects of agents: An additional reason for using both normal and malformed controls in case-control studies of birth defects

  1. Ernest B. Hook1,2,*

Article first published online: 17 NOV 2000

DOI: 10.1002/1096-9926(200012)62:6<373::AID-TERA3>3.0.CO;2-9

Issue

Teratology

Teratology

Volume 62, Issue 6, page 373, December 2000

Additional Information

How to Cite

Hook, E. B. (2000), Possible unanticipated protective effects of agents: An additional reason for using both normal and malformed controls in case-control studies of birth defects. Teratology, 62: 373. doi: 10.1002/1096-9926(200012)62:6<373::AID-TERA3>3.0.CO;2-9

Author Information

  1. 1

    School of Public Health, University of California, Berkeley, Berkeley, California

  2. 2

    Department of Pediatrics, University of California, San Francisco, California

*School of Public Health, Warren Hall, MCH-M.C. 7360, University of California, Berkeley, CA 94720-7360

Publication History

  1. Issue published online: 17 NOV 2000
  2. Article first published online: 17 NOV 2000
  3. Manuscript Accepted: 18 JUL 2000
  4. Manuscript Received: 14 JUL 2000

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