Mixed methods: in search of truth in palliative care medicine.
Wallen
Gwenyth R
GR
Warren Grant Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland 20892, USA. gwallen@cc.nih.gov
Berger
Ann
A
D006801:Humans; D010166:Palliative Care; D036301:Qualitative Research; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design