Langston, Cathy E. (1 January 2002). "Acute Renal Failure Caused by Lily Ingestion in Six Cats". Journal of the American Veterinary Medical Association. 220 (1): 49–52, 36. doi:10.2460/javma.2002.220.49. PMID12680447.
Kingwell, Ba; Lomdahl, A; Anderson, Wp (October 2001). "Presence of a pet dog and human cardiovascular responses to mild mental stress". Clinical Autonomic Research. 11 (5): 313–7. doi:10.1007/BF02332977. ISSN0959-9851. PMID11758798. S2CID40206732.
Whiteley, Ellen H. (1986). "The Healing Power of Pets". The Saturday Evening Post. Vol. 258, no. 7. pp. 2–102. Retrieved 5 November 2006. Academic Search Elite. EBSCOhost. Polk Library, UW Oshkosh
Langston, Cathy E. (1 January 2002). "Acute Renal Failure Caused by Lily Ingestion in Six Cats". Journal of the American Veterinary Medical Association. 220 (1): 49–52, 36. doi:10.2460/javma.2002.220.49. PMID12680447.
Kingwell, Ba; Lomdahl, A; Anderson, Wp (October 2001). "Presence of a pet dog and human cardiovascular responses to mild mental stress". Clinical Autonomic Research. 11 (5): 313–7. doi:10.1007/BF02332977. ISSN0959-9851. PMID11758798. S2CID40206732.
Kingwell, Ba; Lomdahl, A; Anderson, Wp (October 2001). "Presence of a pet dog and human cardiovascular responses to mild mental stress". Clinical Autonomic Research. 11 (5): 313–7. doi:10.1007/BF02332977. ISSN0959-9851. PMID11758798. S2CID40206732.
Kingwell, Ba; Lomdahl, A; Anderson, Wp (October 2001). "Presence of a pet dog and human cardiovascular responses to mild mental stress". Clinical Autonomic Research. 11 (5): 313–7. doi:10.1007/BF02332977. ISSN0959-9851. PMID11758798. S2CID40206732.