This is a "connection" page, showing publications co-authored by Joseph DiFranza and Hassan Fouayzi.
Doubeni CA, Li W, Fouayzi H, DiFranza JR. Perceived accessibility of cigarettes among youth: a prospective cohort study. Am J Prev Med. 2009 Mar; 36(3):239-42.
Doubeni CA, Li W, Fouayzi H, Difranza JR. Perceived accessibility as a predictor of youth smoking. Ann Fam Med. 2008 Jul-Aug; 6(4):323-30.
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.