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

Year Number of Results
1970 2
1973 1
1974 1
1975 1
1976 2
1977 2
1978 6
1979 6
1980 9
1981 5
1982 6
1983 6
1984 5
1985 3
1986 6
1987 2
1988 2
2004 1
2006 1
2007 1
2011 1
2012 1
2013 1
2014 2
2020 1
2022 1
2024 0

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73 results

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Page 1
Oslo Hypertension Study.
Leren P, Helgeland A. Leren P, et al. Among authors: helgeland a. Drugs. 1986;31 Suppl 1:41-5. doi: 10.2165/00003495-198600311-00008. Drugs. 1986. PMID: 2873015 Clinical Trial.
[Disopyramide poisoning].
Bruun JN, Helgeland A, Bredesen JE, Søyland E. Bruun JN, et al. Among authors: helgeland a. Tidsskr Nor Laegeforen. 1980 Nov 20;100(32):1915-6. Tidsskr Nor Laegeforen. 1980. PMID: 7456052 Norwegian. No abstract available.
[Beta-blocker poisoning].
Jacobsen D, Helgeland A, Koss A. Jacobsen D, et al. Among authors: helgeland a. Tidsskr Nor Laegeforen. 1981 Sep 10;101(25):1390-1. Tidsskr Nor Laegeforen. 1981. PMID: 7339927 Norwegian. No abstract available.
73 results