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There was no evidence of a positive association between methylxanthine consumption and risk of breast cancer. In fact, there was some suggestion of a negative association, particularly in women diagnosed after age 50. In addition, there was no evidence of increased risk with past or recent methylxanthine consumption, or with the consumption, of caffeine or specific beverages, most notably brewed or instant caffeinated coffee and tea.<\/jats:p>","DOI":"10.1002\/ijc.2910400406","type":"journal-article","created":{"date-parts":[[2007,2,19]],"date-time":"2007-02-19T21:06:41Z","timestamp":1171919201000},"page":"469-473","source":"Crossref","is-referenced-by-count":21,"title":["Methylxanthines and breast cancer"],"prefix":"10.1002","volume":"40","author":[{"given":"Catherine","family":"Schairer","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Louise A.","family":"Brinton","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert N.","family":"Hoover","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,7,18]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"1015","article-title":"Caffeine consumption and fibrocystic breast disease: a case\u2010Control epidemiologic study","volume":"72","author":"Boyle C. 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