Publisher: Oxford University Press Country of Publication: United States NLM ID: 0370625 Publication Model: Print Cited Medium: Print ISSN: 0006-341X (Print) Linking ISSN: 0006341X NLM ISO Abbreviation: Biometrics Subsets: MEDLINE
Publisher: Elsevier Country of Publication: United States NLM ID: 8006242 Publication Model: Print Cited Medium: Print ISSN: 0197-2456 (Print) Linking ISSN: 01972456 NLM ISO Abbreviation: Control Clin Trials Subsets: MEDLINE
Publisher: Elsevier Country of Publication: United States NLM ID: 8006242 Publication Model: Print Cited Medium: Print ISSN: 0197-2456 (Print) Linking ISSN: 01972456 NLM ISO Abbreviation: Control Clin Trials Subsets: MEDLINE
Publisher: Oxford University Press Country of Publication: United States NLM ID: 7503089 Publication Model: Print Cited Medium: Print ISSN: 0027-8874 (Print) Linking ISSN: 00278874 NLM ISO Abbreviation: J Natl Cancer Inst Subsets: MEDLINE
Publisher: Wiley Country of Publication: England NLM ID: 8215016 Publication Model: Print Cited Medium: Print ISSN: 0277-6715 (Print) Linking ISSN: 02776715 NLM ISO Abbreviation: Stat Med Subsets: MEDLINE
Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print Cited Medium: Print ISSN: 0028-4793 (Print) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE