1. Pet ownership and risk factors for cardiovascular disease
2. Baun, M. M. (1984). Physiological effects of petting dogs: Influences of attachment. In R. K. Anderson, B. L. Hart, & L. A. Hart (Eds.), The pet connection: Its influence on our health and quality of life (pp. 162-170). St Paul, MN: Globe.
3. Budge, R. C., Spicer, J. & St. George, R. (1998). Health correlates of compatibility and attachment in human-companion animal relationships.Retrieved April 26, 2004, from http://www.psyeta.org/ sa/sa6.3/budge.html
4. Companion Animal Attachment and Military Transfer