How Much Are Nature's Services Worth? Measuring the Social Benefits of Ecosystem Functioning Is Both Controversial and Illuminating
Westman, Walter E.
Science 1977 September 2; 197(4307): 960-964
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Dixon, David; Takhar, Jatinder; Macnab, Jennifer; Eadie, Jason; Lockyer, Jocelyn; Stenerson, Heather; François, Jose; Bell, Mary; Monette, Celine; Campbell, Craig; Marlow, Bernie (2011-03)There has been a surge of interest in the area of bias in industry-supported continuing medical education/continuing professional development (CME/CPD) activities. In 2007, we published our first study on measuring bias ...