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Jackson E, Johnsen S.Jackson E, et al. Among authors: johnsen s.Biol Bull. 2011 Apr;220(2):86-8. doi: 10.1086/BBLv220n2p86.Biol Bull. 2011.PMID: 21551444No abstract available.
Bruun JM, Andreassen P, Fløe LE, Eriksen JG, Videbech P, Johnsen SP, JohnNeergaardsen MA.Bruun JM, et al. Among authors: johnsen sp.Dan Med J. 2024 Apr 23;71(5):A08230497. doi: 10.61409/A08230497.Dan Med J. 2024.PMID: 38704839