JavaScript Object Notation (JSON) JavaScript Object Notation (JSON) is an open standard data exchange format based on a JavaScript syntax subset. JSON is text-based, lightweight, and generally considered easily readable/writeable. Although closely connected to JavaScript, JSON is language-independent.
Gallstones cause fistulas when the hard gallstone erodes through the soft wall of the gallbladder or bile ducts. Most commonly, the gallstone erodes into the small intestine, stomach, or common bile duct.
Gallstones occur in up to 20% of American women by the age of 60. Women between the ages of 20 and 60 years are three times more likely to develop gallstones than men. Risk Factors for Development of Gallstones. Multiple pregnancies.