27-Jan-11 TITLE Challenges in assessing the characteristics of influential public health research. AUTHORS Derrick, G.E. a* Hall, W.D. b Haynes, A.S. a Chapman, S. a Redman, S. c Leeder, S.R. d Sturk, H. b AFFILIATIONS a Sydney School of Public Health The University of Sydney Camperdown NSW 2006 Australia b Centre for Clinical Research The University of Queensland Herston QLD 4029 Australia c The Sax Institute 235 Jones Street Ultimo NSW 2007 Australia d The Menzies School for Health Policy The University of Sydney Camperdown NSW 2006