Ewert, Alan W., 1949- Natural environments and human health / Alan W. Ewert, Denise S. Mitten, Jillisa R. Overholt. - Wallingford, Oxfordshire, UK ; Boston, MA, USA : CABI, c2014. - ix, 238 p. : ill. ; 26 cm. Includes bibliographical references and index ISBN: 9781845939199 Subjects--Topical Terms: Environmental health.