1. This presumably reflects the fact that biliary stasis remains with a nidus of infection already present even after stones are removed.

2. It is thought that uric acid crystals serve as a nidus for calcium oxalate crystallization resulting in subsequent stone formation.

3. Therefore biting nidi in healthy pines was another way of damage caused by Monochamus alternatus adults.

4. The large number of such nidi made the healthy pines weak and attracted more adults to nibble and damage.

5. Teacher: Nidi Wang; Graduated from East China Normal University ; Major Preschool Education; 10 years of experience in teaching children.

6. NiDi Company shall insist on the "Quality First, Service Best " philosophy to serve all customers and promote mutual development with them.

7. Method:The clinical data of 32 cases with IPF accompanied by large ulceration were reviewed retrospectively. Result: All patients recovered from resection of nidi without recurrence.