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Hallstan S, Trigal C, Johansson KS, Johnson RK.Hallstan S, et al. Among authors: johansson ks.Oecologia. 2013 Dec;173(4):1625-38. doi: 10.1007/s00442-013-2708-6. Epub 2013 Jul 2.Oecologia. 2013.PMID: 23817776
Vorre MM, Johansson KS, Fuglsang KA, Horwitz H, Solem EJ, Jeppesen PB, Christensen MB.Vorre MM, et al. Among authors: johansson ks.Dan Med J. 2022 Apr 28;69(5):A12210940.Dan Med J. 2022.PMID: 35485788Free article.