English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

If feasible placebo should be included in randomized, controlled trials (RCTs) comparing two presumable active drugs. Inclusion of placebo in comparative RCTs was recommended generally by FDA in 1982, by the International Headache Society for migraine in 1991, and by the European Medicines Agency (EMEA) for migraine in 2007.

Low use of placebo in comparative drug rcts in migraine. Are clinical investigators unaware of basic methodological issues?