Plasma carotenoids as biomarkers of intake of fruits and vegetables: individual-level correlations in the European Prospective Investigation into Cancer and Nutrition (EPIC)

Al-Delaimy, W.K.; Ferrari, P.; Slimani, N.; Pala, V.; Johansson, I.; Nilsson, S.; Mattisson, I.; Wirfalt, E.; Galasso, R.; Palli, D.; Vineis, P.; Tumino, R.; Dorronsoro, M.; Pera, G.; Ocke, M.C.; Bueno de Mesquita, H.B.; Overvad, K.; Chirlaque, M.D.; Trichopoulou, A.; Naska, A.; Tjonneland, A.; Olsen, A.; Lund, E.; Alsaker, E.; Barricarte, A.; Kesse, E.; Boutron-Ruault, M.C.; Clavel-Chapelon, F.; Key, T.J.; Spencer, E.; Bingham, S; Welch, A.A.; Sanchez-Perez, M.J.; Nagel, G.; Linseisen, J.; Quiros, J.R.; Peeters, P.H.M.; van Gils, C.H.; Boeing, H.H.; Kappel, A.L.; Steghens, J.P.; Riboli, E.