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Systematic bias in cancer patient-reported outcomes: symptom ‘orphans’ and ‘champions’
  1. Shirley Thomas1,
  2. Declan Walsh1,2,3 and
  3. Aynur Aktas1
  1. 1 The Harry R Horvitz Center for Palliative Medicine, Cleveland Clinic Taussig Cancer Institute, Cleveland, Ohio, USA; A World Health Organization Demonstration Project in Palliative Medicine; European Society of Medical Oncology (ESMO) Designated Center of Integrated Oncology and Palliative Care
  2. 2 Section of Palliative Medicine and Supportive Oncology
  3. 3 The Harry R Horvitz Chair in Palliative Medicine
  1. Correspondence to Professor Declan Walsh, Palliative Medicine, Trinity College Dublin and University College Dublin, Faculty of Health Sciences, Trinity College, Dublin 2, Ireland; walshtd{at}

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