UpToDate

It is the product of the expertise, experiences, and opinions of doctors and professional teams following a review of over 440 medical journals and database searches, with reference to scholarly guidelines, federal clinical reports, and conferences. UpToDate covers over 10,000 reviews on clinical topics, some of which also provides Summary and Recommendations (Recommendation: 1-2, Level of Evidence: A-C). Link to Lexi-Comp drug database is also provided.

Features: It covers a large number of topics, queries can be made in Chinese, descriptive texts allow for easy reading, and it collects clinical guides of different countries.

DynaMed

DynaMed is an evidence-based clinical decision reference tool. A group of editors monitors over 500 medical journals, secondary medical sources, evidence-based medical resources, drug information resources, and clinical practice guidelines, sorting them into more than 3,400 clinical and drug topics clearly labeled with source and level (1-3) of evidence (while preserving the recommendations or evidence labels of the cited guidelines). Shared Decision-Making information is also provided. Drug evidence information comes from Micromedex.

Features: It provides new updates and highlights of cited paper at the top of each page, collects clinical guides of different countries, and includes Choosing Wisely.