Die Kur - Kraft für Körper, Seele und den Alltag

2006, The Effects of Exercise in Forest and Urban Environments on Sympathetic Nervous Activity of Normal Young Adults

M Yamaguchi , M Deguchi, Y Miyazaki

J Int Med Res, Mar-Apr 2006;34(2):152-9

https://pubmed.ncbi.nlm.nih.gov/16749410/