8Bergstrom N,Braden B.A prospective study of pressure sore risk among institutionalized elderly[J].Am Geriatr Soc,1992;40(8):747-58.
9Bergstrom N,Braden B,Kemp M,et al.Predicting pressure ulcer risk:a multisite study of the predictive validity of the Braden scale[J].Nurs Res,1998;47(5):261-9.
10Ayello EA,Braden B.How and why to do pressure ulcer risk assessmen[J].Adv Skin Wound Care,2002;15(3):125-32.