by Jansen, J E, Retpen, J A
Published in Acta chirurgica Scandinavica (01.04.1988)

by Stürup, J, Retpen, J A
Published in Ugeskrift for læger (17.08.1998)

by Lausten, G S, Retpen, J A, Knudsen, L L
Published in Ugeskrift for læger (27.05.1996)

by Petersen, M B, Gramkow, J, Retpen, J A, Rechnagel, K, Solgaard, S
Published in Ugeskrift for læger (10.08.1998)

by Retpen, J A, Varmarken, J E, Röck, N D, Jensen, J S
Published in Ugeskrift for læger (06.09.1993)