↓ Oregon Vitamin D Report 2016 – 2021 ↓ Oregon Vitamin D Report 2016 – 2020 ↓ Oregon Vitamin D Report 2016 – 2019 ↓ Better Health for Oregonians: Opportunities to Reduce Low-Value Care ↓ Vitamin D Testing Clinical Guidelines ↓ Pre-Op Testing Recommendations ↓ OHA/OHLC Low-Value Care Measure Development