This is a "connection" page, showing publications co-authored by Leanne Groban and Donald Penzien.
Schafer AM, Rains JC, Penzien DB, Groban L, Smitherman TA, Houle TT. Direct costs of preventive headache treatments: comparison of behavioral and pharmacologic approaches. Headache. 2011 Jun; 51(6):985-91.
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.