605,538 WALLFELT CHRIS Regulation of parathyroid hormone release, clinical characteristics and surgical treatment of hyperpara-­ thyroidism : [thesis) / Chris Wallfelt ; Uppsala Uni­- versity. — Uppsala : Academiae Ubsaliensis, 1987. - 34 s. ; 24 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicina, ISSN 0282-7476 ; 126) ISBN 91-554-2122-9