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The Zelen design may be the best choice for a heroin-provision experiment

  • R Schellings
  • , AG Kessels
  • , G ter Riet
  • , F (Ferd) Sturmans

Research output: Contribution to journalArticleAcademicpeer-review

18 Citations (Scopus)
Original languageUndefined/Unknown
Pages (from-to)503-507
Number of pages5
JournalJournal of Clinical Epidemiology
Volume52
Issue number6
Publication statusPublished - 1999

Research programs

  • EMC NIHES-02-65-01

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