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

Year Number of Results
1987 1
1989 1
1990 3
1991 3
1993 3
1996 3
1997 4
1998 2
1999 6
2000 2
2002 1
2003 3
2004 2
2005 3
2006 2
2007 5
2008 5
2009 3
2010 10
2011 8
2012 2
2014 1
2015 3
2016 4
2017 2
2018 2
2020 1
2021 2
2022 3
2024 0

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84 results

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Page 1
Hydromorphone.
Murray A, Hagen NA. Murray A, et al. Among authors: hagen na. J Pain Symptom Manage. 2005 May;29(5 Suppl):S57-66. doi: 10.1016/j.jpainsymman.2005.01.007. J Pain Symptom Manage. 2005. PMID: 15907647 Free article. Review.
Compassion: a scoping review of the healthcare literature.
Sinclair S, Norris JM, McConnell SJ, Chochinov HM, Hack TF, Hagen NA, McClement S, Bouchal SR. Sinclair S, et al. Among authors: hagen na. BMC Palliat Care. 2016 Jan 19;15:6. doi: 10.1186/s12904-016-0080-0. BMC Palliat Care. 2016. PMID: 26786417 Free PMC article. Review.
Breakthrough pain: definition and management.
Portenoy RK, Hagen NA. Portenoy RK, et al. Among authors: hagen na. Oncology (Williston Park). 1989 Aug;3(8 Suppl):25-9. Oncology (Williston Park). 1989. PMID: 2484297 Review.
An approach to cough in cancer patients.
Hagen NA. Hagen NA. J Pain Symptom Manage. 1991 May;6(4):257-62. doi: 10.1016/0885-3924(91)90016-w. J Pain Symptom Manage. 1991. PMID: 2030301 Free article. Review.
84 results