We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCotinine conundrum--a step forward but questions remain.AuthorsSpitz, Margaret R; Amos, Christopher I; Bierut, Laura J; Caporaso, Neil EPublicationJournal of the National Cancer Institute, 2012, Vol 104, Issue 10, p720ISSN1460-2105Publication typeResearchDOI10.1093/jnci/djs211