6[8]Van Dijk M ,Deboer JB,Koot HM ,et al. The reliability and validity of the COMFORT scale as a postoperative pain instrument in 0 to 3-year-old infants [J].Pain, 2000,84 (2-3):367.
8[10]Hiddink GJ,Hautvast JGAJ, Van Woerkum CMJ,et al. Nutrition guidance by primary-care physicians:LISREL analysis improves understanding [J]. Prey Med, 1997,26(1) :29.
9[11]Wakefield DS,Wakefield BJ,Uden Holman T,et al.Understanding why medication administration errors may not be reported[J]. Am J Med Qual, 1999, 14(2):81.
8Robin Shealy,William Stout. A model-based standardization approach that separates true bias/DIF from group ability differences and detects test bias/DTF as well as item bias/DIF[J] 1993,Psychometrika(2):159~194