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

Year Number of Results
1971 1
1975 1
1984 2
1985 2
1987 2
2012 1
2013 1
2014 2
2015 4
2016 2
2017 3
2018 3
2019 1
2024 0

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Page 1
Primary sclerosing cholangitis.
Williamson KD, Chapman RW. Williamson KD, et al. Dig Dis. 2014;32(4):438-45. doi: 10.1159/000358150. Epub 2014 Jun 23. Dig Dis. 2014. PMID: 24969292 Free article. Review.
Primary sclerosing cholangitis: a clinical update.
Williamson KD, Chapman RW. Williamson KD, et al. Br Med Bull. 2015 Jun;114(1):53-64. doi: 10.1093/bmb/ldv019. Epub 2015 May 16. Br Med Bull. 2015. PMID: 25981516 Review.
Helium policies.
Hammel EF, Krupka MC, Williamson KD Jr. Hammel EF, et al. Among authors: williamson kd jr. Science. 1984 Aug 24;225(4664):784-6. doi: 10.1126/science.225.4664.784-a. Science. 1984. PMID: 17801130 No abstract available.
23 results