1. Vassilopoulou-Sellin R, Newman BM, Taylor SH, Guinee VF. Incidence of hypercalcemia in patients with malignancy referred to a comprehensive cancer center. Cancer. 1993; 71:1309–1312.
2. Ralston SH, Gallacher SJ, Patel U, Campbell J, Boyle IT. Cancer-associated hypercalcemia: morbidity and mortality. Clinical experience in 126 treated patients. Ann Intern Med. 1990; 112:499–504.
3. Stewart AF. Clinical practice. Hypercalcemia associated with cancer. N Engl J Med. 2005; 352:373–379.
4. Burtis WJ, Brady TG, Orloff JJ, Ersbak JB, Warrell RP Jr, Olson BR, et al. Immunochemical characterization of circulating parathyroid hormone-related protein in patients with humoral hypercalcemia of cancer. N Engl J Med. 1990; 322:1106–1112.
5. Monno S, Nagata A, Furuta S. Hypercalcemia of cancer in the digestive tract. J Clin Gastroenterol. 1987; 9:78–82.
6. Nakayama K, Fukumoto S, Takeda S, Takeuchi Y, Ishikawa T, Miura M, et al. Differences in bone and vitamin D metabolism between primary hyperparathyroidism and malignancy-associated hypercalcemia. J Clin Endocrinol Metab. 1996; 81:607–611.
7. Horwitz MJ, Tedesco MB, Sereika SM, Hollis BW, Garcia-Ocaña A, Stewart AF. Direct comparison of sustained infusion of human parathyroid hormone-related protein-(1-36) [hPTHrP-(1-36)] versus hPTH-(1-34) on serum calcium, plasma 1,25-dihydroxyvitamin D concentrations, and fractional calcium excretion in healthy human volunteers. J Clin Endocrinol Metab. 2003; 88:1603–1609.
8. Nakajima K, Tamai M, Okaniwa S, Nakamura Y, Kobayashi M, Niwa T, et al. Humoral hypercalcemia associated with gastric carcinoma secreting parathyroid hormone: a case report and review of the literature. Endocr J. 2013; 60:557–562.
9. Truong NU, deB Edwardes MD, Papavasiliou V, Goltzman D, Kremer R. Parathyroid hormone-related peptide and survival of patients with cancer and hypercalcemia. Am J Med. 2003; 115:115–121.
10. Engelich G, Swan N, Hartshorn KL. Raised plasma parathyroid hormone related peptide in gastric adenocarcinoma. J Clin Pathol. 2000; 53:643–644.
11. Alipov GK, Ito M, Nakashima M, Ikeda Y, Nakayama T, Ohtsuru A, et al. Expression of parathyroid hormone-related peptide (PTHrP) in gastric tumours. J Pathol. 1997; 182:174–179.
12. Deans C, Wigmore S, Paterson-Brown S, Black J, Ross J, Fearon KC. Serum parathyroid hormone-related peptide is associated with systemic inflammation and adverse prognosis in gastroesophageal carcinoma. Cancer. 2005; 103:1810–1818.
13. Abdeen O, Pandol SJ, Burton DW, Deftos LJ. Parathyroid hormone-related protein expression in human gastric adenocarcinomas not associated with hypercalcemia. Am J Gastroenterol. 1995; 90:1864–1867.