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Koehler U, Korbmacher-Steiner H, Seifert D.Koehler U, et al.Pneumologie. 2023 Jan;77(1):50-53. doi: 10.1055/a-1966-0957. Epub 2022 Nov 21.Pneumologie. 2023.PMID: 36410393German.
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Koehler U, Degerli MA, Hildebrandt O, Conradt R.Koehler U, et al.Pneumologie. 2023 Mar;77(3):168-172. doi: 10.1055/a-2007-9942. Epub 2023 Feb 17.Pneumologie. 2023.PMID: 36807088German.
Koehler U, Degerli MA, Hildebrandt O, Conradt R, Koehler J.Koehler U, et al.Pneumologie. 2024 Feb;78(2):131-134. doi: 10.1055/a-2183-7489. Epub 2023 Oct 19.Pneumologie. 2024.PMID: 37857317German.
Koehler U, Degerli MA, Conradt R, Hildebrandt O, Koehler N, Hildebrandt W.Koehler U, et al.Pneumologie. 2024 Apr;78(4):244-249. doi: 10.1055/a-2215-2937. Epub 2023 Dec 14.Pneumologie. 2024.PMID: 38096912German.