Jorde, Rolf. “The Relation Between Serum Parathyroid Hormone (PTH) and Blood Pressure. The Tromsø Study”. Norsk Epidemiologi 16, no. 2 (October 9, 2009). Accessed July 5, 2024. https://www.ntnu.no/ojs/index.php/norepid/article/view/192.