by Saretok, T, Almersjö, O, Biber, B, Gustavsson, B, Hasselgren, P O
Published in Acta chirurgica Scandinavica (1984)

by Hasselgren, P O, Säljö, A, Fornander, J, Lundstam, S, Saretok, T, Seeman, T
Published in Annales chirurgiae et gynaecologiae (1980)