3Salihoglu Z, Demiroluk S, Cakmakkaya S, et al. Influence of the patient positioning on respiratory mechanics during pneumoperitoneum[J]. Middle East J Anesthesiol, 2002, 16(5) : 521-528.
6King T,Hemsworth PH,Coleman GJ.Fear of novel and startlingstimuli in domestic dogs[J].Appl Anim Behav.Sci.2003,82:45-64.
7Langbein J,Nürnberg,G,Manteuffel G.Visual discriminationlearning in dwarf goats and associated changes in heart rate andheart rate variability[J].Physiol.Behav.2004.,82,601-609.
8Carnethon MR,Liao D,Evans GW,et al.Correlates of the shiftin heart rate variability with an active postural change in a healthypopulation sample:the Atherosclerosis Risk In Communitiesstudy[J].Am Heart J.2002,143:808-813.
9Vuksanovic V,Gal V,Kalanj J,et al.Effect of posture on heartrate variability spectral measures in children and young adultswith heart disease[J].Int J Cardiol.2005,101:273-278.
10Kamath MV,Fallen EL,Power spectral analysis of heart ratevariability:a noninvasive signature of cardiac autonomic function[J].Crit Rev Biomed Eng,1993,21:245-311.