title: Excluding nonusers: a source of bias in research on satisfaction with health services.
authors.affiliation: Hebrew University and the Gertner Institute for Health Policy Research, Tel Hashomer, Israel.
authors.forename: A
authors.initials: A
authors.lastname: Shmueli
mesh_terms: D000368:Aged; D015982:Bias; D005260:Female; D006302:Health Services Research / Q000379:methods / Q000592:standards*; D006801:Humans; D007557:Israel; D008297:Male; D008875:Middle Aged; D017060:Patient Satisfaction; D012044:Regression Analysis; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires; D016312:Treatment Refusal