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

Year Number of Results
2013 2
2014 1
2015 12
2016 22
2017 12
2018 19
2019 8
2020 3
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2022 7
2023 3
2024 0

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Page 1
Analysis of the U.S. patient referral network.
An C, O'Malley AJ, Rockmore DN, Stock CD. An C, et al. Stat Med. 2018 Feb 28;37(5):847-866. doi: 10.1002/sim.7565. Epub 2017 Dec 4. Stat Med. 2018. PMID: 29205445 Free PMC article.
Referral paths in the U.S. physician network.
An C, O'Malley AJ, Rockmore DN. An C, et al. Appl Netw Sci. 2018;3(1):20. doi: 10.1007/s41109-018-0081-4. Epub 2018 Jul 31. Appl Netw Sci. 2018. PMID: 30839747 Free PMC article.
69 results