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Nature's Role in Outdoor Therapies: An Umbrella Review.
Harper NJ, Fernee CR, Gabrielsen LE. Harper NJ, et al. Int J Environ Res Public Health. 2021 May 12;18(10):5117. doi: 10.3390/ijerph18105117. Int J Environ Res Public Health. 2021. PMID: 34065947 Free PMC article. Review.