Validity of a questionnaire survey: the role of non-response and incorrect answers.
Acta Odontol Scand
; 57(5): 242-6, 1999 Oct.
Article
in En
| MEDLINE
| ID: mdl-10614900
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Collection:
01-internacional
Database:
MEDLINE
Main subject:
Surveys and Questionnaires
Type of study:
Diagnostic_studies
Limits:
Humans
Language:
En
Journal:
Acta Odontol Scand
Year:
1999
Document type:
Article
Affiliation country:
Sweden
Country of publication:
United kingdom