Unless specified otherwise in the boxes, the source is: Moore, Keith L.; Agur, A. M. R. (2002). Essential Clinical Anatomy (2nd ed.). Lippincott Williams & Wilkins. p. 199. ISBN978-0-7817-5940-3.
Nunan D, Sandercock GR, Brodie DA (November 2010). "A quantitative systematic review of normal values for short-term heart rate variability in healthy adults". Pacing and Clinical Electrophysiology. 33 (11): 1407–17. doi:10.1111/j.1540-8159.2010.02841.x. PMID20663071. S2CID44378765.
Diamond LM, Fagundes CP, Butterworth MR (2011). "Attachment Style, Vagal Tone, and Empathy During Mother-Adolescent Interactions". Journal of Research on Adolescence. 22 (1): 165–184. doi:10.1111/j.1532-7795.2011.00762.x.
Grossman P, Wilhelm FH, Spoerle M (August 2004). "Respiratory sinus arrhythmia, cardiac vagal control, and daily activity". American Journal of Physiology. Heart and Circulatory Physiology. 287 (2): H728–34. doi:10.1152/ajpheart.00825.2003. PMID14751862. S2CID5934042.
Moro, C; Uchiyama, J; Chess-Williams, R (December 2011). "Urothelial/lamina propria spontaneous activity and the role of M3 muscarinic receptors in mediating rate responses to stretch and carbachol". Urology. 78 (6): 1442.e9–15. doi:10.1016/j.urology.2011.08.039. PMID22001099.
Nunan D, Sandercock GR, Brodie DA (November 2010). "A quantitative systematic review of normal values for short-term heart rate variability in healthy adults". Pacing and Clinical Electrophysiology. 33 (11): 1407–17. doi:10.1111/j.1540-8159.2010.02841.x. PMID20663071. S2CID44378765.
Moro, C; Uchiyama, J; Chess-Williams, R (December 2011). "Urothelial/lamina propria spontaneous activity and the role of M3 muscarinic receptors in mediating rate responses to stretch and carbachol". Urology. 78 (6): 1442.e9–15. doi:10.1016/j.urology.2011.08.039. PMID22001099.
Nunan D, Sandercock GR, Brodie DA (November 2010). "A quantitative systematic review of normal values for short-term heart rate variability in healthy adults". Pacing and Clinical Electrophysiology. 33 (11): 1407–17. doi:10.1111/j.1540-8159.2010.02841.x. PMID20663071. S2CID44378765.
Grossman P, Wilhelm FH, Spoerle M (August 2004). "Respiratory sinus arrhythmia, cardiac vagal control, and daily activity". American Journal of Physiology. Heart and Circulatory Physiology. 287 (2): H728–34. doi:10.1152/ajpheart.00825.2003. PMID14751862. S2CID5934042.
Barrett, Kim E. (2019-01-29). Ganong's review of medical physiology. Barman, Susan M.,, Brooks, Heddwen L.,, Yuan, Jason X.-J., 1963-, Preceded by: Ganong, William F. (Twenty-sixth ed.). [New York]. ISBN9781260122404. OCLC1076268769.{{cite book}}: CS1 maint: location missing publisher (link)