Petticrew, M; Cummins, S; Sparks, L; Findlay, A; (2007) Validating health impact assessment: Prediction is difficult (especially about the future). Environmental impact assessment review, 27 (1). pp. 101-107. ISSN 0195-9255 https://researchonline.lshtm.ac.uk/id/eprint/1012241 Full text not available from this repository.