Serum folate, homocysteine and colorectal cancer risk in women: a nested case–control study

por Kato, I, Dnistrian, A M, Schwartz, M, Toniolo, P, Koenig, K, Shore, R E, Akhmedkhanov, A, Zeleniuch-Jacquotte, A, Riboli, E
Publicado 1999