7Rafferty AM, Allcock N, I,athlean J. The theory/practice' gap, :taking issue with the issue[J]. Journal of Advanced Nursing 1996,23 : 685-691.
8Schwartz Barcott D,patterson BJ ,Lusardi P, et al. From practice to theory:tightening the link via three fieldwork strategies[J].Journal of Advanced Nursing,2002,39(3) : 281-289.