What are the commonly used literature retrieval platforms or databases?

Pubmed is a database in the fields of medicine and life sciences. Provide literature retrieval, picture retrieval, impact factor query, free full-text download, statistical analysis of the National Natural Science Foundation and other services.

the p>Web of Science database is an internationally recognized database that reflects the level of scientific research. The retrieval is accurate to the periodical, publishing company, author, date, page number and so on.

Seek68 literature library integrates a large number of well-known Chinese and foreign language database resources. Covering all subjects and fields, it solves the problem that foreign documents cannot be downloaded. But also provide manual help for difficult documents.

The full text of p>ProQuest's doctoral thesis is a sub-library of UMI Company. Provide various types of information services such as periodicals, newspapers, reference books, reference documents, bibliographies, indexes, atlases, out-of-print books, records, doctoral dissertations and scholars' collections.

Wiley InterScience has collected more than 36 journals in science, engineering technology, medical field and related professions, more than 3 large-scale professional reference books, the full texts of 13 laboratory manuals and the full texts of Wiley academic books on more than 5 topics. Among them, there are nearly 2 core journals included in SCI.

OVID is a world-famous database provider, which is widely used in foreign medical circles.

EMBASE covers pharmacy, clinical medicine, basic medicine, preventive medicine, forensic medicine and biomedical engineering. In addition to the rich medical literature, it also supports the retrieval of drugs and diseases.

Ingenta is one of the largest periodical databases in the world at present, which contains more than 18, periodicals and has more than 7 million periodical articles indexes (abstracts), covering a wide range of subjects in natural science and social science.

Springer-Verlag world-famous sci-tech publishing group, which provides online services for academic journals and e-books through Springer LINK system.