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

Year Number of Results
1971 3
1972 1
1973 2
1974 1
1975 1
1976 1
1977 2
1979 2
1981 1
1982 1
1984 1
1986 1
1990 2
1991 1
1992 4
1993 2
1994 3
1996 1
1997 2
1998 2
2000 2
2002 2
2003 2
2017 1
2018 2
2019 4
2020 6
2021 11
2022 3
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62 results
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Page 1
Relation of Serum Copper Status to Survival in COVID-19.
Hackler J, Heller RA, Sun Q, Schwarzer M, Diegmann J, Bachmann M, Moghaddam A, Schomburg L. Hackler J, et al. Among authors: heller ra. Nutrients. 2021 May 31;13(6):1898. doi: 10.3390/nu13061898. Nutrients. 2021. PMID: 34072977 Free PMC article. Clinical Trial.
Selenium Deficiency Is Associated with Mortality Risk from COVID-19.
Moghaddam A, Heller RA, Sun Q, Seelig J, Cherkezov A, Seibert L, Hackler J, Seemann P, Diegmann J, Pilz M, Bachmann M, Minich WB, Schomburg L. Moghaddam A, et al. Among authors: heller ra. Nutrients. 2020 Jul 16;12(7):2098. doi: 10.3390/nu12072098. Nutrients. 2020. PMID: 32708526 Free PMC article.
[Artificial intelligence in orthopedics and trauma surgery].
Tjardes T, Heller RA, Pförringer D, Lohmann R, Back DA; AG Digitalisierung der DGOU. Tjardes T, et al. Among authors: heller ra. Chirurg. 2020 Mar;91(3):201-205. doi: 10.1007/s00104-019-01091-9. Chirurg. 2020. PMID: 31919544 Review. German.
62 results