300,370 ABUGASSA SALEM OMAR Bone mass in disorders of calcium metabolism and abnormal parathyroid function /by Salem Omar Abugassa ; from the Departament of Surgery, Huddinge University Hospital Karoninska Institute. - Stockholm : Kongl Carolinska Medica Chirurgiska Institutet, 1991. - 56 s. : il., wykr. ; 28 cm (Acta Chirurgica suppl. 563) ISBN 91-628-0199-6