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

Year Number of Results
1980 3
1981 7
1982 11
1983 6
1984 4
1985 2
1986 1
1987 2
1988 3
1989 1
1990 1
2021 0
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41 results
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Page 1
Immunoreactive dynorphin in pituitary and brain.
Goldstein A, Ghazarossian VE. Goldstein A, et al. Proc Natl Acad Sci U S A. 1980 Oct;77(10):6207-10. doi: 10.1073/pnas.77.10.6207. Proc Natl Acad Sci U S A. 1980. PMID: 6108564 Free PMC article.
Morphine and other opiates from beef brain and adrenal.
Goldstein A, Barrett RW, James IF, Lowney LI, Weitz CJ, Knipmeyer LL, Rapoport H. Goldstein A, et al. Proc Natl Acad Sci U S A. 1985 Aug;82(15):5203-7. doi: 10.1073/pnas.82.15.5203. Proc Natl Acad Sci U S A. 1985. PMID: 3860854 Free PMC article.
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