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- スポーツ.体育 (33)
- Camping--Northwest, Pacific (1)
- Health surveys--United States (1)
- Medical errors--United States--Surveys (1)
- Medical misconceptions--United States--Surveys (1)
- Medicine--Practice--United States--Surveys (1)
- Outdoor recreation--Northwest, Pacific (1)
- Recreational surveys--Northwest, Pacific (1)
- Self-care, Health--United States--Surveys (1)
- Wilderness areas--Northwest, Pacific--Recreational use (1)
- 英和辞典 (1)