This is a "connection" page, showing publications co-authored by James Eisenach and Donald Penzien.
Turner DP, Smitherman TA, Eisenach JC, Penzien DB, Houle TT. Predictors of headache before, during, and after pregnancy: a cohort study. Headache. 2012 Mar; 52(3):348-62.
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.