Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Search strategy and hits.
|
Medical databases PubMed (14 hits) Ovid (9 hits) PsychInfo (8 hits) Embase (29 hits) |
Newspapers/Online Journals New York Times (1257 hits) China Daily (0 hits) The London Times (>100,000 hits) |
|
Search engines Google (1058 hits) Yahoo (>37,700,000 hits) Bing (>35,600,000 hits) |
Trial Register ICTRP = WHO Trial Platform (4 hits) ClinicalTrials.gov (2 hits) |
ICTRP: International Clinical Trials Register Platform; WHO: World Health Organization.
