Assertion: salivary gland's duct | /r/CapableOf | become obstructed
Facets:
value: with a calculus
type: OTHER
Source sentences:
text: Diseases of the Salivary Glands Including Dry Mouth and Sjögren's Syndrome: Diagnosis and ... however salivary fistula can occur as a complication of surgery, or if the duct becomes obstructed with a calculus.