Supplemental material for Are temporal trends in colonoscopy among young adults concordant with colorectal cancer incidence? FedewaStacey A SiegelRebecca L JemalAhmedin 2019 <p>Supplemental Material for Are temporal trends in colonoscopy among young adults concordant with colorectal cancer incidence? by Stacey A Fedewa, Rebecca L Siegel and Ahmedin Jemal in Journal of Medical Screening</p>