8Kathleen A. Puntillo,Daphne Stannard,Christine Miaskowski,Karen Kehrle,Sheila Gleeson.Use of a pain assessment and intervention notation (P.A.I.N.) tool in critical care nursing practice: Nurses’ evaluations[J]. Heart & Lung - The Journal of Acute and Critical Care . 2002 (4)
9Fontagnier E M,Manegold B C.Colonoscopy in post-operative patients of colorectal cancer:Indications,methods and results. Deutsche Medizinische Wochenschrift . 2000