Pneumaticos, S. G. Savidou, C. Korres, D. S. Chatziioannou, S. N., Pancreatic cancer's initial presentation: back pain due to osteoblastic bone metastasis, European Journal of Cancer Care, (19), 137-140, 2010, WILEY-BLACKWELL PUBLISHING, INC, 0961-5423, 1365-2354