title: Bias in qualitative research designs.
authors.forename: Jeanne
authors.initials: J
authors.lastname: Daly
authors.forename: Judith
authors.initials: J
authors.lastname: Lumley
mesh_terms: D001315:Australia; D005069:Evaluation Studies as Topic; D006302:Health Services Research / Q000458:organization & administration*; D012107:Research Design; D015983:Selection Bias