Green spaces, subjective health and depressed affect in middle-aged and older adults: a cross-country comparison of four European cohorts
J Mark Noordzij, Marielle A Beenackers, Joost Oude Groeniger, Erik Timmermans, Basile Chaix, Dany Doiron, Martijn Huisman, Irina Motoc, Milagros Ruiz, Rita Wissa, Mauricio Avendano, Frank J van Lenthe
J Epidemiol Community Health May 2021, 75 (5) 470-476; DOI: 10.1136/jech-2020-214257