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

Year Number of Results
2008 1
2015 1
2017 2
2020 1
2022 2
2023 0

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Page 1
COVID-19 and Vitamin D- a Systematic Review.
Jordan T, Siuka D, Rotovnik NK, Pfeifer M. Jordan T, et al. Among authors: siuka d. Zdr Varst. 2022 Mar 21;61(2):124-132. doi: 10.2478/sjph-2022-0017. eCollection 2022 Jun. Zdr Varst. 2022. PMID: 35432612 Free PMC article.
Vitamin D Supplementation During the COVID-19 Pandemic.
Siuka D, Pfeifer M, Pinter B. Siuka D, et al. Mayo Clin Proc. 2020 Aug;95(8):1804-1805. doi: 10.1016/j.mayocp.2020.05.036. Epub 2020 Jun 6. Mayo Clin Proc. 2020. PMID: 32753156 Free PMC article. No abstract available.
Diabetes, smoking, alcohol use, and family history of cancer as risk factors for pancreatic neuroendocrine tumors: a systematic review and meta-analysis.
Haugvik SP, Hedenström P, Korsæth E, Valente R, Hayes A, Siuka D, Maisonneuve P, Gladhaug IP, Lindkvist B, Capurso G. Haugvik SP, et al. Among authors: siuka d. Neuroendocrinology. 2015;101(2):133-42. doi: 10.1159/000375164. Epub 2015 Jan 22. Neuroendocrinology. 2015. PMID: 25613442 Free article. Review.
Risk and protective factors for the occurrence of sporadic pancreatic endocrine neoplasms.
Valente R, Hayes AJ, Haugvik SP, Hedenström P, Siuka D, Korsæth E, Kämmerer D, Robinson SM, Maisonneuve P, Delle Fave G, Lindkvist B, Capurso G. Valente R, et al. Among authors: siuka d. Endocr Relat Cancer. 2017 Aug;24(8):405-414. doi: 10.1530/ERC-17-0040. Epub 2017 May 31. Endocr Relat Cancer. 2017. PMID: 28566532 Free article.