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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Subjective feelings after walking in forest and city areas, assessed using the modified semantic differential method. Data are shown as means ± standard deviation (n = 60). ** p < 0.01, Wilcoxon signed-rank test (one-sided).