Ball, David Environmental health policy / David Ball - Maidenhead : McGraw Hill / Open University Press, 2006 - ix, 283 p. : ill. ; 24 cm. - Understanding public health . ISBN: 0335218431 RM130.06 Subjects--Topical Terms: Environmental healthHealth policyRisk management National Library of Medicine Call No.: WA30 / .B187e 2006 9HUKM