Pollard, B., Johnston, M., & Dixon, D. (2012). Exploring differential item functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). BioMed Central.
Παραπομπή Chicago StylePollard, Beth, Marie Johnston, και Diane Dixon. Exploring Differential Item Functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). BioMed Central, 2012.
Παραπομπή MLAPollard, Beth, Marie Johnston, και Diane Dixon. Exploring Differential Item Functioning in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). BioMed Central, 2012.
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