1. Methods MEDLINE, EMBASE and ASCO searches were supplied by information from trial registers.

2. The relevant English literature was reviewed using MEDLINE and Google search engines.

3. DATA SOURCES: MEDLINE, EMBASE, and references of retrieved articles ( last update September 2006 ) were used.

4. MEDLINE (Medical Literature Analysis and Retrieval System Online) Abstracts: abstracts for life sciences and biomedical information from an international literature database.

5. A comprehensive MEDLINE (1970-December 2006) search of English literature was performed to identify articles on the medical expulsive therapy of ureteral calculi.

6. METHODS A literature review was performed using MEDLINE and additional library searches.

7. Three major ways of MEDLINE searching are the medical subject headings(MeSH)search, text word search and Boolean calculation search.

8. Medical literature analysis and retrieval system online(MEDLINE) established by National Library of Medicine, USA(NLM) is the most important biomedical database all over the world.

9. The time of recombinant peptides medline remain in vivo effect the dosage and therapeutic effect extremely.

10. The literature was searched using Medline ( Ovid ) and Pub - Med for original studies.

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11. We searched the Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE and the http://clinicaltrials.gov web site.

12. If you are unable to locate a specific term in this resource, the Medline Plus Medical Dictionary presents the opportunity to do a key word search.

13. MEDLARS stands for Medical Literature Analysis and Retrieval System, which was first introduced in 1964 and evolved into an online system in 1971 called MEDLINE (MEDLARS Online).

14. The PubMed Journal Browser allows you to look up journal names, MEDLINE abbreviations, or ISSN numbers for journals that are included in the PubMed system.

15. As other online databases were developed, MEDLARS became the name of the entire NLM information system while MEDLINE became the name of the premier database.

16. Methods and Results - Major electronic search of the MEDLINE database from 1966 to December 2005.