The construct validity of the global overall symptom (GOS) score - A seven-point Likert scale for the measurement of dyspepsia symptoms in clinical trials Conference Paper uri icon

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authors

  • van Zanten, SV
  • Chiba, Naoki
  • Armstrong, D
  • Barkun, AN
  • Thomson, ABR
  • Smyth, S
  • Escobedo, S
  • Grace, E
  • Sinclair, P

publication date

  • April 1, 2002