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Stengaard-Pedersen K, Larsson LI, Fredens K, Rehfeld JF.Stengaard-Pedersen K, et al.Proc Natl Acad Sci U S A. 1984 Sep;81(18):5876-80. doi: 10.1073/pnas.81.18.5876.Proc Natl Acad Sci U S A. 1984.PMID: 6207532Free PMC article.