RT Journal Article SR Electronic T1 Normocalcaemic tetany JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 594 OP 595 DO 10.7861/clinmedicine.11-6-594 VO 11 IS 6 A1 V Sehgal A1 S Vijayan A1 S Yasmin A1 U Srirangalingam A1 J Pati A1 WM Drake YR 2011 UL http://www.rcpjournals.org/content/11/6/594.abstract