Letter to the editor

David L. Sackett, Michel A. Ibrahim, Seymour Kantor, Warren Winkelstein

Research output: Contribution to journalLetter

Original languageEnglish (US)
Number of pages1
JournalJournal of Chronic Diseases
Volume21
Issue number1
DOIs
StatePublished - Jan 1968
Externally publishedYes

ASJC Scopus subject areas

  • Epidemiology

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