CBM database (China Biomedical Literature Database) is a literature retrieval database widely used in biomedical field. It contains a large number of Chinese academic journals, dissertations, conference papers and other biomedical related literature resources, which provides researchers with convenient retrieval channels. In CBM database, keywords are fields that support accurate retrieval.

Keywords are the core words that reflect the theme of literature, which are usually extracted from fields such as title, abstract and keywords. Keywords can accurately reflect the theme of literature, therefore, through keyword retrieval, documents related to the required research field can be found more accurately.

In CBM database, users can search accurately through keyword fields, that is, enter one or more keywords to find related documents. In addition, CBM database also supports boolean logic operation of keywords.

Features of CBM database:

1, with strong professionalism in traditional Chinese medicine: CBM database focuses on the collection and collation of documents in the biomedical field in China, covering a wide range of professional contents such as basic medicine, clinical medicine, preventive medicine, pharmacy, traditional Chinese medicine and Chinese traditional medicine. Its particularity makes CBM an important information source for studying the development of medical science in China.

2. Perfection of subject indexing and classified indexing: All bibliographies in CBM database have subject indexing and classified indexing. Subject indexing is based on medical thesaurus and China Chinese Medicine Thesaurus, which ensures the accuracy and professionalism of retrieval. Classification indexing is based on China Library Classification and Medical Specialty Classification Table, which helps users to conduct in-depth research from the perspective of disciplines.

3. Powerful retrieval function: CBM database provides a variety of retrieval methods and advanced retrieval options, including subject word retrieval, free word retrieval, author retrieval, institution retrieval and periodical retrieval. Users can customize the retrieval strategy according to their own needs to improve the efficiency and accuracy of information acquisition.

Reference to the above content: Baidu Encyclopedia-China Biomedical Literature Database