Bone metastases as the initial presentation of hepatocellular carcinoma. Two case reports and a literature review - Ruiz-Morales, J M; Dorantes-Heredia, R; Chable-Montero, F; Vazquez-Manjarrez, S; Méndez-Sánchez, N; Motola-Kuba, D (Ann Hepatol, 2014)