Vitamin G: effects of green space on health, well-being, and social safety

by van den Berg Agnes E, Groenewegen Peter P, de Vries Sjerp, Verheij Robert A
Published 2006-06-01

Allotment gardening and health: a comparative survey among allotment gardeners and their neighbors without an allotment

by van Winsum-Westra Marijke, van den Berg Agnes E, de Vries Sjerp, van Dillen Sonja ME
Published 2010-11-01