Healthline. https://www.healthline.com/health/proctitis
Diakses pada 9 Juli 2020Mayo Clinic. https://www.healthline.com/health/proctitis
Diakses pada 9 Juli 2020NCH Healthcare System. https://www.nchmd.org/education/mayo-health-library/details/CON-20376915
Diakses pada 9 Juli 2020Nicklaus Children Hospital. https://www.nicklauschildrens.org/conditions/food-protein-induced-proctocolitis-of-infancy
Diakses pada 9 Juli 2020