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

Year Number of Results
1995 1
1996 1
1997 1
1999 1
2006 1
2007 2
2008 2
2009 2
2010 2
2011 2
2012 1
2013 4
2014 5
2015 5
2016 2
2017 5
2018 7
2019 7
2020 5
2021 10
2022 4
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58 results
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Page 1
Seasonal Variation in the Brain μ-Opioid Receptor Availability.
Sun L, Tang J, Liljenbäck H, Honkaniemi A, Virta J, Isojärvi J, Karjalainen T, Kantonen T, Nuutila P, Hietala J, Kaasinen V, Kalliokoski K, Hirvonen J, Scheinin H, Helin S, Eerola K, Savontaus E, Yatkin E, Rinne JO, Roivainen A, Nummenmaa L. Sun L, et al. Among authors: helin s. J Neurosci. 2021 Feb 10;41(6):1265-1273. doi: 10.1523/JNEUROSCI.2380-20.2020. Epub 2020 Dec 23. J Neurosci. 2021. PMID: 33361461 Free PMC article.
Feeding Releases Endogenous Opioids in Humans.
Tuulari JJ, Tuominen L, de Boer FE, Hirvonen J, Helin S, Nuutila P, Nummenmaa L. Tuulari JJ, et al. Among authors: helin s. J Neurosci. 2017 Aug 23;37(34):8284-8291. doi: 10.1523/JNEUROSCI.0976-17.2017. Epub 2017 Jul 26. J Neurosci. 2017. PMID: 28747384 Free PMC article.
Bariatric surgery normalizes brain opioid receptors.
Karlsson HK, Tuulari JJ, Tuominen L, Hirvonen J, Honka H, Parkkola R, Helin S, Salminen P, Nuutila P, Nummenmaa L. Karlsson HK, et al. Among authors: helin s. Mol Psychiatry. 2016 Aug;21(8):989. doi: 10.1038/mp.2016.116. Mol Psychiatry. 2016. PMID: 27439757 No abstract available.
Response to Letter on use of functional imaging by 11C-metomidate PET for primary aldosteronism subtyping.
Soinio M, Luukkonen AK, Seppänen M, Kemppainen J, Seppänen J, Pienimäki JP, Leijon H, Vesterinen T, Arola J, Lantto E, Helin S, Tikkanen I, Metso S, Mirtti T, Heiskanen I, Norvio L, Tiikkainen M, Tikkanen T, Sane T, Välimäki M, Gomez-Sanchez CE, Pörsti I, Nuutila P, Nevalainen PI, Matikainen N. Soinio M, et al. Among authors: helin s. Eur J Endocrinol. 2021 Mar;184(3):L11-L12. doi: 10.1530/EJE-21-0048. Eur J Endocrinol. 2021. PMID: 33555271 Free PMC article. No abstract available.
Aberrant mesolimbic dopamine-opiate interaction in obesity.
Tuominen L, Tuulari J, Karlsson H, Hirvonen J, Helin S, Salminen P, Parkkola R, Hietala J, Nuutila P, Nummenmaa L. Tuominen L, et al. Among authors: helin s. Neuroimage. 2015 Nov 15;122:80-6. doi: 10.1016/j.neuroimage.2015.08.001. Epub 2015 Aug 7. Neuroimage. 2015. PMID: 26260431
S-[18F]THK-5117-PET and [11C]PIB-PET Imaging in Idiopathic Normal Pressure Hydrocephalus in Relation to Confirmed Amyloid-β Plaques and Tau in Brain Biopsies.
Leinonen V, Rauramaa T, Johansson J, Bottelbergs A, Tesseur I, van der Ark P, Pemberton D, Koivisto AM, Jääskeläinen JE, Hiltunen M, Herukka SK, Blennow K, Zetterberg H, Jokinen P, Rokka J, Helin S, Haaparanta-Solin M, Solin O, Okamura N, Kolb HC, Rinne JO. Leinonen V, et al. Among authors: helin s. J Alzheimers Dis. 2018;64(1):171-179. doi: 10.3233/JAD-180071. J Alzheimers Dis. 2018. PMID: 29865068
58 results