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Preservation of collagen in the soft tissues of frozen mammoths
Fig 5
Immunofluorescence observation of mammoth soft tissues.
(a) Masha’s lung stained by anti-type IV collagen antibody. (b) Masha’s lung stained by anti-type I collagen antibody.
doi: https://doi.org/10.1371/journal.pone.0258699.g005