. 2012 Jan 30;3:6. doi: 10.3389/fphys.2012.00006
Copyright © 2012 Mäki, Koskenvuo, Ukkonen, Saraste, Tuunanen, Pietilä, Nesterov, Aalto, Airaksinen, Pärkkä, Lautamäki, Kervinen, Miettinen, Mäkikallio, Niemelä, Säily, Koistinen, Savolainen, Ylitalo, Huikuri and Knuuti.
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Figure 1.
Study flow chart.