Heterogeneity in Assessing Self-Reports of Caffeine Exposure
Bracken MB, Triche E, Grosso L, Hellenbrand K, Belanger K, Leaderer BP. Heterogeneity in Assessing Self-Reports of Caffeine Exposure. Epidemiology 2002, 13: 165-171. PMID: 11880757, DOI: 10.1097/00001648-200203000-00011.Peer-Reviewed Original Research