Boss J H, Rosenmann E, Sela J
J Oral Pathol. 1977 Mar;6(2):96-105. doi: 10.1111/j.1600-0714.1977.tb01636.x.
The right parotid duct of rats was instilled five to eight times with bovine serum albumin at daily intervals. Acute parotitis developed in non-sensitized animals, while chronic destructive sialoadenitis ensued in preimmunized rats. The morphological changes were reminiscent of those found in the salivary glands of patients with Sjögren's syndrome.