The main task of Campbell Collaboration is to collaborate with Cochrane Collaboration so as to produce high quality evidence for the social welfare, education, justice and criminal, international development policy and other social sciences. This article systematically introduces Campbell Collaboration, its origins, achievements and development, with the purpose of allowing more scholars understand evidence-based ideas and methods of social science, providing evidence-based methodology basis for China's social policy.
Objective To investigate the situation of supplemental drugs to the national essential medicines list (EML) in primary health care facilities. Methods Supplemental essential medicine lists published by provincial governments around our country were identified. Characteristics of categories, names and quantities of the supplemental drugs were extracted and compared. Results Supplemental lists issued by 13 provinces were included. The number of the supplemental drugs of four provinces including Jiangsu, Guangdong, Inner Mongolia and Shandong surpassed 200. All the included lists contained chemicals and traditional Chinese medicine, as well as nine categories mentioned in the EML. The frequency of 17 drugs in the supplemental lists was over 10. Specific paediatrics drugs and antitumor drugs were considered by several provinces. Conclusion At present, EML cannot meet the requirements of the primary healthcare. Selection and amendment of EML may refer to the supplemental lists which reflect the demands of essential drugs in every area in our country.
