Iodine and persulfate as histochemical blocking agents for tyrosine and tryptophan residues in human gingiva.
D005881:Gingiva / Q000166:cytology*; D007455:Iodine; D013194:Staining and Labeling; D013431:Sulfates; D014364:Tryptophan; D014443:Tyrosine
D013431:Sulfates; D014443:Tyrosine; D014364:Tryptophan; D007455:Iodine