This is a "connection" page, showing publications co-authored by Eugene Viscusi and Stephen Silberstein.
Schwenk ES, Dayan AC, Rangavajjula A, Torjman MC, Hernandez MG, Lauritsen CG, Silberstein SD, Young W, Viscusi ER. Ketamine for Refractory Headache: A Retrospective Analysis. Reg Anesth Pain Med. 2018 Jun 19.
The connection strength for concepts is the sum of the scores for each matching publication.
Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.