{{Cite journal| issn = 1662-5153| volume = 16| last1 = Legrand| first1 = Fabien D.| last2 = Jeandet| first2 = Philippe| last3 = Beaumont| first3 = Fabien| last4 = Polidori| first4 = Guillaume| title = Effects of Outdoor Walking on Positive and Negative Affect: Nature Contact Makes a Big Difference| journal = Frontiers in Behavioral Neuroscience| access-date = 2022-09-23| date = 2022| url = https://www.frontiersin.org/articles/10.3389/fnbeh.2022.901491}}