1. Kovacs CS. Calcium and phosphate metabolism and related disorders during pregnancy and lactation. In: Feingold KR, Anawalt B, Boyce A, et al., editors. Endotext. South Dartmouth: MDText.com; 2000.
2. Kovacs CS. Maternal mineral and bone metabolism during pregnancy, lactation, and post-weaning recovery. Physiol Rev. 2016;96:449–547.
3. Taylor RN, Badell ML. The endocrinology of pregnancy. In: Gardner DG, Shoback DG, editors. Greenspan’s basic and clinical endocrinology. 9th ed. New York: Lange Medical Books/McGraw-Hill; 2011. p. 553–72.
4. Potts JT Jr, Bringhurst FR, Gardella T, Nussbaum S, Segre G, Kronenberg HM. Parathyroid hormone: physiology, chemistry, biosynthesis, secretion, metabolism, and mode of action. In: DeGroot LJ, editor. Endocrinology. Philadelphia: Saunders; 1995. p. 920–66.
5. Tsuchida T, Ishimura E, Hirowatari K, et al. Serum levels of 1–84 and 7–84 parathyroid hormone in predialysis patients with chronic renal failure measured by the intact and bio-PTH assay. Nephron Clin Pract. 2006;102:108–14.