9Perez CA,Otamendi S.Factors causing stress in patients in intensive care units Enferm Intensiva[J].Crit Care Nurs Clin North Am,1996,7(3):95~103.
10Richards K,Nagel C.Use of complementary and alternative therapies to promote sleep in critically ill patients[J].Crit Care Nurs Clin North Am,2003,15(3):329~340.