In vivo and in vitro characterization of neonatal hyperparathyroidism resulting from a de novo, heterozygous mutation in the Ca2+-sensing receptor gene: Normal maternal calcium homeostasis as a cause of secondary hyperparathyroidism in familial benign hypocalciuric hypercalcemia. - Bai,M.; Pearce,SHS.; Kifor,O.; Trivedi,S.; Stauffer,UG.; Thakker,RV.; Brown,EM.; Steinmann,B. (J Clin Invest, 1997)