Comparison of Open and Closed Questionnaire Formats in...

Journal of Clinical Epidemiology 1999 Vol. 52; Iss. 10

Comparison of Open and Closed Questionnaire Formats in Obtaining Demographic Information From Canadian General Internists

L.E. Griffith, D.J. Cook, G.H. Guyatt, C.A. Charles
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Volume:
52
Year:
1999
Language:
english
DOI:
10.1016/s0895-4356(99)00106-7
File:
PDF, 385 KB
english, 1999
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