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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1999 1
2008 1
2010 1
2012 1
2014 1
2017 2
2021 3
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Page 1
Patient information portal for congenital aortic and pulmonary valve disease: a stepped-wedge cluster randomised trial.
Etnel JRG, Bons LR, De Heer F, Robbers-Visser D, Van Beynum IM, Straver B, Jongbloed MR, Kiès P, Slieker MG, Van Dijk APJ, Kluin J, Bertels RA, Utens EMWJ, The R, Van Galen E, Mulder BJM, Blom NA, Hazekamp MG, Roos-Hesselink JW, Helbing WA, Bogers AJJC, Takkenberg JJM. Etnel JRG, et al. Among authors: bertels ra. Open Heart. 2021 Mar;8(1):e001252. doi: 10.1136/openhrt-2020-001252. Open Heart. 2021. PMID: 33757975 Free PMC article.