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Levi F, Lucchini F, Negri E, Boyle P, La Vecchia C.Levi F, et al.Int J Cancer. 2004 Jun 10;110(2):155-69. doi: 10.1002/ijc.20097.Int J Cancer. 2004.PMID: 15069676
La Vecchia C, Levi F, Lucchini F, Negri E, Franceschi S.La Vecchia C, et al. Among authors: levi f.Gynecol Oncol. 1992 Aug;46(2):208-15. doi: 10.1016/0090-8258(92)90257-j.Gynecol Oncol. 1992.PMID: 1500024
Franceschi S, Levi F, Rolland-Portal I, La Vecchia C.Franceschi S, et al. Among authors: levi f.Eur J Cancer. 1992;28A(8-9):1487-90. doi: 10.1016/0959-8049(92)90550-l.Eur J Cancer. 1992.PMID: 1515273