Fecal elastase-1 is a test which documents exocrine gland function of pancreas by the content of elastase-1 in stool, a simpler one compared to other indirect exocrine pancreatic function tests.(糞彈性蛋白酶試驗是通過檢測糞便中彈性蛋白酶-1的含量來反映胰腺外分泌情況的一項檢查，是間接胰腺外分泌試驗中較為簡便的一種。)

Saliva is secreted from the exocrine gland.(唾液是由外分泌腺分泌出來的。)

Results: After treatment, exocrine gland function improved, with the total effective rate of 86.4%;(結果外分泌腺功能總積分較治療前有明顯改善，總有效率為86.4%；)

Objective To study the clinical features of the extra exocrine gland symptoms of primary Sjgren syndrome(PSS) in elderly people.(目的探討老年人原發性干燥綜合征（PSS）的腺外表現特點。)