[1] Ochiai H, Ikei H, Song C, et al. Physiological and Psychological Effects of a Forest Therapy Program on Middle-Aged Females. Int J Environ Res Public Health, 2015; 12, 15222-32. doi:  10.3390/ijerph121214984
[2] Ochiai H, Ikei H, Song C, et al. Physiological and psychological effects of forest therapy on middle-aged males with high-normal blood pressure. Int J Environ Res Public Health, 2015; 12, 2532-42. doi:  10.3390/ijerph120302532
[3] Lee J, Tsunetsugu Y, Takayama N, et al. Influence of forest therapy on cardiovascular relaxation in young adults. Evid Based Complement Alternat Med, 2014; 2014, 834360-6. http://pubmedcentralcanada.ca/pmcc/articles/PMC3934621/
[4] Mao GX, Lan XG, Cao YB, et al. Effects of Short-Term Forest Bathing on Human Health in a Broad-Leaved Evergreen Forest in Zhejiang Province, China. Biomed Environ Sci, 2012; 25, 317-24. http://kns.cnki.net/KCMS/detail/detail.aspx?filename=swyx201203011&dbname=CJFD&dbcode=CJFQ
[5] Mao GX, Cao YB, Lan XG, et al. Therapeutic effect of forest bathing on human hypertension in the elderly. J Cardiol, 2012; 60, 495-502. doi:  10.1016/j.jjcc.2012.08.003
[6] Jia BB, Yang ZX, Mao GX, et al. Health Effect of Forest Bathing Trip on Elderly Patients with Chronic Obstructive Pulmonary Disease. Biomed Environ Sci, 2016; 29, 212-8. http://kns.cnki.net/KCMS/detail/detail.aspx?filename=swyx201603007&dbname=CJFD&dbcode=CJFQ
[7] Liu Y, Chen X, Huang S, et al. Association between Air Pollutants and Cardiovascular Disease Mortality in Wuhan, China. Int J Environ Res Public Health, 2015; 12, 3506-16. doi:  10.3390/ijerph120403506
[8] Mao G, Cao Y, Wang B, et al. The Salutary Influence of Forest Bathing on Elderly Patients with Chronic Heart Failure. Int J Environ Res Public Health, 2017; 14, 368-79. doi:  10.3390/ijerph14040368
[9] Mao GX, Cao YB, Yang Y, et al. Additive Benefits of Twice Forest Bathing Trips in Elderly Patients with Chronic Heart Failure. Biomed Environ Sci, 2018; 31, 159-62. http://kns.cnki.net/KCMS/detail/detail.aspx?filename=swyx201802010&dbname=CJFD&dbcode=CJFQ
[10] Li Q, Morimoto K, Nakadai A, et al. Forest bathing enhances human natural killer activity and expression of anti-cancer proteins. Int J Immunopathol Pharmacol, 2007; 20, 3-8. doi:  10.1177/03946320070200S202
[11] Miyazaki Y, Song C, Ikei H. Preventive medical effects of nature therapy and their individual differences. Jpn J Physiol Anthropol, 2015; 20, 19-32. http://ci.nii.ac.jp/naid/110009923843
[12] Li Q. Effect of forest bathing trips on human immune function. Environ Health Prev Med, 2010; 15, 9-17. doi:  10.1007/s12199-008-0068-3
[13] Chun MH, Chang MC, Lee SJ. The effects of forest therapy on depression and anxiety in patients with chronic stroke. Int J Neurosci, 2016; 127, 199-203. http://europepmc.org/abstract/MED/27033879
[14] Morita E, Imai M, Okawa M, et al. A before and after comparison of the effects of forest walking on the sleep of a community-based sample of people with sleep complaints. Biopsychosoc Med, 2011; 5, 1-7. doi:  10.1186/1751-0759-5-1
[15] Li Q. Forest Medicine, New York, Nova Science Publishers, Inc., 2012; 5.
[16] Sung J, Woo JM, Kim W, et al. The Effect of Cognitive Behavior Therapy-Based "Forest Therapy" Program on Blood Pressure, Salivary Cortisol Level, and Quality of Life in Elderly Hypertensive Patients. Clin Exp Hypertens, 2011; 34, 1-7. doi:  10.1038/hr.2010.231
[17] Li Q, Morimoto K, Kobayashi M, et al. A forest bathing trip increases human natural killer activity and expression of anti-cancer proteins in female subjects. J Biol Regul Homeost Agents 2008; 22, 45-55. http://www.ncbi.nlm.nih.gov/pubmed/18394317
[18] Tsunetsugu Y, Park BJ, Ishii H, et al. Physiological effects of Shinrin-yoku (taking in the atmosphere of the forest) in an old-growth broadleaf forest in Yamagata Prefecture, Japan. J Physiol Anthropol, 2007; 26, 135-42. doi:  10.2114/jpa2.26.135
[19] Li Q, Otsuka T, Kobayashi M, et al. Acute effects of walking in forest environments on cardiovascular and metabolic parameters. Eur J Appl Physiol, 2011; 111, 2845-53. doi:  10.1007/s00421-011-1918-z
[20] Ideno Y, Hayashi K, Abe Y, et al. Blood pressure-lowering effect ofShinrin-yoku (Forest bathing):a systematic review and meta-analysis. BMC Complement Altern Med, 2017; 17, 409-21. doi:  10.1186/s12906-017-1912-z