sci
hub

to open science
Hussein, Aisha A.; Helder, Marco N.; de Visscher, Jan G.; Leemans, C. René; Braakhuis, Boudewijn J.; de Vet, Henrica C.W.; Forouzanfar, Tymour . (2017). Global incidence of oral and oropharynx cancer in patients younger than 45 years versus older patients: A systematic review. European Journal of Cancer, 82(), 115–127. doi:10.1016/j.ejca.2017.05.026 
10.1016/j.ejca.2017.05.026