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 <blockquote>Wittmann, M. K., Fouragnan, E., Folloni, D., Klein-Flügge, M. C., Chau, B. K., Khamassi, M., & Rushworth, M. F. (2020). Global reward state affects learning and activity in raphe nucleus and anterior insula in monkeys. Nature Communications, 11(1), 3771. https://doi.org/10.1038/s41467-020-17343-w</blockquote>
 
 See also:
-<blockquote>Daw, N. D. (2011). Trial-by-trial data analysis using computational models. Decision making, affect, and learning: Attention and performance XXIII, 23(1). https://doi.org/10.1093/acprof:oso/9780199600434.003.0001 (pdf)[https://www.princeton.edu/~ndaw/d10.pdf]</blockquote>
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+<blockquote>Daw, N. D. (2011). Trial-by-trial data analysis using computational models. Decision making, affect, and learning: Attention and performance XXIII, 23(1). https://doi.org/10.1093/acprof:oso/9780199600434.003.0001 [<a href="https://www.princeton.edu/~ndaw/d10.pdf">pdf</a>]</blockquote>
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