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X-ray. https://www.mayoclinic.org/tests-procedures/x-ray/about/pac-20395303 . Accessed January 07, 2022
Ultrasound. https://www.mayoclinic.org/tests-procedures/ultrasound/about/pac-20395177 . Accessed January 07, 2022
CT scan. https://www.mayoclinic.org/tests-procedures/ct-scan/about/pac-20393675 . Accessed January 07, 2022
MRI scan. https://www.nhs.uk/conditions/mri-scan/ . Accessed January 07, 2022
Nuclear Medicine Scan. https://www.webmd.com/cancer/nuclear-medicine-scan . Accessed January 07, 2022
Cystoscopy. https://www.nhs.uk/conditions/cystoscopy/ . Accessed January 07, 2022
Colonoscopy. https://www.mayoclinic.org/tests-procedures/colonoscopy/about/pac-20393569 . Accessed January 07, 2022
Endoscopic Retrograde Cholangiopancreatography (ERCP). https://www.hopkinsmedicine.org/health/treatment-tests-and-therapies/endoscopic-retrograde-cholangiopancreatography-ercp . Accessed January 07, 2022
Bronchoscopy. https://www.mayoclinic.org/tests-procedures/bronchoscopy/about/pac-20384746 . Accessed January 07, 2022