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Histological analysis of salivary gland biopsies. Minor salivary glands ((a) first biopsy; (b) second biopsy) and parotid gland (c) biopsies were stained using hematoxylin-eosin. Original magnification: 100x. Arrows are pointing to lymphocytic infiltrates. (d) shows higher magnification (400X) of parotid gland biopsy depicting lymphocytic infiltrates.
