Annals of Surgical Oncology · 2009 · 33 citations · 22 references
Life SciencesGeneticsOncologyBreast OncologyCancer GeneticsGenetic CounselingCancer CommunicationGenetic Risk AssessmentBrca MutationsGenetic Counseling CommunicationGenetic Counseling In Cancer PreventionGenetic Risk CommunicationHereditary Breast Cancer SyndromeHigh-risk Surgical Patients
22
Qualitative evaluation and research methods
Michael Quinn Patton · 1990 · 21.8K citations
How Many Interviews Are Enough?
Greg Guest, Arwen Bunce, Laura Johnson · Field Methods · 2005 · 19.4K citations
Qualitative evaluation and research methods
David Ellis · International Journal of Information Management · 1990 · 18.2K citations