551,240 SIVIK TATJANA Diagnosis and treatment of patients with idiopathic back pain : [akademisk avhandling] / Tatjana Sivik ; from the Department of Primary Health Care University of Goteborg. - Goteborg : University, 1992. - [2], 42, 58 s. wiele liczb. : wykr. ; 24 cm Zawiera 7 prac współaut. ISBN 91-628-0580-0