1. Exstrophy of the bladder;Aadalen;Clin. Orthop.,1980
2. Dynamisation of the AO/ASIF Tubular External Fixator;Allgöwer;AO/ASIF Dialogue,1987
3. The importance of the technique and level of osteotomy in bone Lengthening;Arrien,1990
4. A classification of external fixators;Behrens,1982
5. Unilateral external fixation for severe open tibial fractures;Behrens;Clin. Orthop.,1983