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PAS staining of glycoproteins resolved by SDS-PAGE gel for: Methacholine-evoked saliva from normal submandibular gland (Lane S) and submandibular gland homogenate from unoperated (normal) submandibular gland (Lane N); 2 weeks ligated (atrophic) gland (Lane L); 3 days deligated gland (Lane 3); 5 days deligated gland (Lane 5) and 7 days deligated gland (Lane 7). Molecular weight marker (M). The asterisk marks the rat low molecular mucin (∼114 KDa).
