(Inggris) Patronek GJ (Oct 2001). "Assessment of claims of short- and long-term complications associated with onychectomy in cats". J. Am. Vet. Med. Assoc. 219 (7): 932–7. doi:10.2460/javma.2001.219.932. ISSN0003-1488. PMID11601788. Diakses 31 Juli 2014.
(Inggris) Patronek GJ (Oct 2001). "Assessment of claims of short- and long-term complications associated with onychectomy in cats". J. Am. Vet. Med. Assoc. 219 (7): 932–7. doi:10.2460/javma.2001.219.932. ISSN0003-1488. PMID11601788. Diakses 31 Juli 2014.
(Inggris) Patronek GJ (Oct 2001). "Assessment of claims of short- and long-term complications associated with onychectomy in cats". J. Am. Vet. Med. Assoc. 219 (7): 932–7. doi:10.2460/javma.2001.219.932. ISSN0003-1488. PMID11601788. Diakses 31 Juli 2014.