This is a "connection" page, showing publications co-authored by Jack London and Tingting Zhan.
London JW, Balestrucci L, Chatterjee D, Zhan T. Design-phase prediction of potential cancer clinical trial accrual success using a research data mart. J Am Med Inform Assoc. 2013 Dec; 20(e2):e260-6.
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.