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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.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Wilson, Cc (October 1987). "Physiological responses of college students to a pet". The Journal of Nervous and Mental Disease. 175 (10): 606–12. doi:10.1097/00005053-198710000-00005. ISSN0022-3018. PMID3655768.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Vormbrock, Jk; Grossberg, Jm (October 1988). "Cardiovascular effects of human–pet dog interactions". Journal of Behavioral Medicine. 11 (5): 509–17. doi:10.1007/BF00844843. ISSN0160-7715. PMID3236382.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
"Plants and Your Cat". Cat Fanciers' Association. Diarsipkan dari versi asli tanggal 27 December 2009. Diakses tanggal 15 May 2007.Parameter |url-status= yang tidak diketahui akan diabaikan (bantuan)
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.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Wilson, Cc (October 1987). "Physiological responses of college students to a pet". The Journal of Nervous and Mental Disease. 175 (10): 606–12. doi:10.1097/00005053-198710000-00005. ISSN0022-3018. PMID3655768.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Vormbrock, Jk; Grossberg, Jm (October 1988). "Cardiovascular effects of human–pet dog interactions". Journal of Behavioral Medicine. 11 (5): 509–17. doi:10.1007/BF00844843. ISSN0160-7715. PMID3236382.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)