TY - GEN AU - Isaranuwatchai,Wanrudee AU - de Oliveira,Claire AU - Mittmann,Nicole AU - Evans,William K Bill AU - Peter,Alice AU - Truscott,Rebecca AU - Chan,Kelvin Kw TI - Impact of smoking on health system costs among cancer patients in a retrospective cohort study in Ontario, Canada SN - 2044-6055 PY - 2020///0701 KW - Adolescent KW - Adult KW - Aged KW - Aged, 80 and over KW - Databases, Factual KW - Female KW - Health Care Costs KW - statistics & numerical data KW - Health Services KW - economics KW - Humans KW - Male KW - Middle Aged KW - Neoplasms KW - Ontario KW - Regression Analysis KW - Retrospective Studies KW - Risk Factors KW - Smoking KW - Young Adult N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1136/bmjopen-2018-026022 ER -