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. 2020 Dec 18;20(83):e261–e267. doi: 10.15557/JoU.2020.0046

Fig. 4.

Fig. 4.

Labial glands removed as a whole, clinically diagnosed as nodules or granulomas after a filling procedure. A.and B.Haematoxylin and eosin (HE). C.Periodic Acid-Schiff (P.A.S.), mucus-secreting areas (arrows), serous areas (arrow heads). D.Alcian blue, serous cells (S), mucous cells (M)