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Diakses pada 13 November 2019NCBI. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2018851/
Diakses pada 13 November 2019Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/phantom-pain/symptoms-causes/syc-20376272
Diakses 9 November 2019WebMD. https://www.webmd.com/a-to-z-guides/definition-amputation#2
Diakses pada 13 November 2019