Authors: Tollefsen, I Jorgensen, IK Woie, L Fossdal, JE

Citation: I. Tollefsen et al., Aortic dissection: natural course of disease? Report of two cases representing the extremes of the condition, EUR J RAD, 40(1), 2001, pp. 68-72

Authors: Tollefsen, I Yoo, M Bland, JD Nysted, A

Citation: I. Tollefsen et al., Thymic cyst: is a correct preoperative diagnosis possible? Report of a case and review of the literature, EUR J PED, 160(10), 2001, pp. 620-622

Authors: Helland, EB Tollefsen, I Reksten, G

Citation: Eb. Helland et al., Radiographic diagnosis of the occult hip fracture - Experience in 16 patients, ACT ORTH SC, 71(6), 2000, pp. 639-641

Authors: Tollefsen, I Johannessen, F

Citation: I. Tollefsen et F. Johannessen, How to avoid complications in herniography, EUR J RAD, 31(3), 1999, pp. 177-181