[1]
R. Villani, R. Gargano, C. Rovai, P. Milillo, L. Macarini, and G. Serviddio, “To be or not to be: a two years surveillance for a CA 19-9 persistent elevation before cancer diagnosis and bone metastases”, Gerontology and Geriatrics, vol. 64, no. 3, pp. 112-115, Sep. 2016.