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Year Number of Results
2011 1
2014 1
2017 3
2018 1
2019 3
2021 1
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Opinion: Toward an international definition of citizen science.
Heigl F, Kieslinger B, Paul KT, Uhlik J, Dörler D. Heigl F, et al. Proc Natl Acad Sci U S A. 2019 Apr 23;116(17):8089-8092. doi: 10.1073/pnas.1903393116. Proc Natl Acad Sci U S A. 2019. PMID: 31015357 Free PMC article. No abstract available.