Broder HL, M. C. (2007). Questionnaire development: Face validity and item impact testing of the Child Oral Health Impact Profile. Blackwell Synergy.
Chicago Style CitationBroder HL, McGrath C. Questionnaire Development: Face Validity and Item Impact Testing of the Child Oral Health Impact Profile. Blackwell Synergy, 2007.
MLA CitationBroder HL, McGrath C. Questionnaire Development: Face Validity and Item Impact Testing of the Child Oral Health Impact Profile. Blackwell Synergy, 2007.
Warning: These citations may not always be 100% accurate.