This is a "connection" page, showing publications co-authored by Bernard Lopez and Stephen Silberstein.
Gupta MX, Silberstein SD, Young WB, Hopkins M, Lopez BL, Samsa GP. Less is not more: underutilization of headache medications in a university hospital emergency department. Headache. 2007 Sep; 47(8):1125-33.
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.