Muhammad Shafi, Soulat Jafferi.
Submandibular duct sialolithiasis : an unusual presentation.
J Coll Physicians Surg Pak Jan ;16(10):671-2.

Multiple calculi in a submandibular gland duct is an uncommon occurrence. One such case occurring in a young boy of 25 years is reported here where thirteen very small stones of 1-3 mm of maximum diameter were lined up in the Wharton`s duct in such a way that they were difficult to appreciate on inspection and palpation. Successful exploration was done in two steps.

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