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Diakses pada 27 April 2020Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/appendicitis/symptoms-causes/syc-20369543
Diakses pada 27 April 2020WebMD. https://www.webmd.com/digestive-disorders/digestive-diseases-appendicitis#2-6
Diakses pada 27 April 2020