2023 Oregon Statutes 433.055 – Prevalence studies

2021 Oregon Statutes 433.055 – Prevalence studies

2019 Oregon Statutes 433.055 – Prevalence studies

2017 Oregon Statutes 433.055 – Prevalence studies

2015 Oregon Statutes 433.055 – Prevalence studies

2013 Oregon Statutes 433.055 – Prevalence studies

2009 Oregon Statutes 433.055 – Prevalence studies