For decades,there have been no systematic studies on the reference intervals of Chinese populations.With the support of the Ministry of Health,the Chinese Society of Laboratory Medicine launches a research project investigating the Chinese reference intervals for common clinical laboratory tests.Up to now,the first batch of reference intervals for common liver function,electrolytes and blood cell analysis have been published in forms of healthy professional standards.Medical institutions are suggested to use these new reference intervals in clinical practice.

Objective: To understand the characteristics and causes of pesticide poisoning in Xuzhou city, and provide basis for formulating prevention and control measures. Methods: The cases of pesticide poisoning in Xuzhou City from 2005 to 2017 were collected from "Pesticide Poisoning Report Card" . The data were analyzed and assessed by EpiData. The SPSS 22.0 software was used for statistical analysis. Results: During the thirteen years, there were a total of 8092 cases of pesticide poisoning, among which, the number of occupational pesticide poisoning was 1 408, accounting for 17.4% of the total number of cases, 14 patients died, the case fatality rate was 0.1%. There were 2, 992 cases of male poisoning, accounting for 36.97% of the total number of cases, and 5, 100 cases of female poisoning, accounting for 63.03%. There were 6684 non-productive pesticide poisonings, accounting for 82.6% of the total number of cases; 387 deaths occurred, and the mortality rate was 5.8%. Among non-productive poisonings, the incidence of oral pesticide poisoning was 84.3%, and the incidence of accidental poisoning by pesticides was 15.7%. Organophosphorus pesticides poisoning cases accounted for the majority of oral pesticide poisoning cases. The overall incidence of pesticide poisoning showed a downward trend. The age of non-productive pesticide poisoning cases was mainly 15-44 years old, and the number of cases of poisoning were 4 029 cases (60.28%) . With the increase of age, the mortality rate of poisoning cases was higher, especially for those over 60 years old who died of oral pesticide poisoning (40.1%) . The peak of pesticide poisoning began to increase in the second quarter and reached its peak in the third quarter. Conclusion Although the cases of pesticide poisoning reported in Xuzhou City have been declining in recent years, the situation is still severe. The proportion of oral pesticide suicide accounts for a large proportion, and the mortality rate of elderly and female is relatively high, and the government should pay more attention. Workers should conduct safety education and psychological counseling to improve the knowledge and consciousness of safe use of pesticides.

Objective: To investigate the diagnosis and treatment of synchronous double primary malignant tumours of the tongue and lung. Methods: A case of adenoid cystic carcinoma（ACC） and lung adenocarcinoma with double primary malignancy was retrospectively analyzed. Results: The tumor of patient′s tongue base gradually grew. MRI showed multiple enlarged lymph nodes on both sides of neck. CT of the chest showed obvious lesions in the anterior basal segment of the right lower lobe. The pathological biopsy of the tongue mass identified ACC, and pathological biopsy of the lung mass identified lung adenocarcinoma. The tongue and lung tumors were both surgically resected, and the tongue defect was repaired at the same time. No residue was found after surgery, and no recurrence was found during the follow-up period. The aesthetic and functional restoration of the lingual region was good. Conclusion There are few cases of adenoid cystic carcinoma and lung adenocarcinoma with double primary malignancies, and the related diagnosis and treatment are very difficult; the simultaneous removal of double primary malignant tumors may achieve good prognosis.