%0 Journal Article
%A R Lorentzon
%A SE Larsson
%A L Boquist
%T Extra-osseous osteosarcoma: a clinical and histopathological study of four cases
%D 1979
%J The Journal of Bone & Joint Surgery British Volume
%P 205-208
%V 61-B
%N 2
%R 10.1302/0301-620X.61B2.285933
%U https://doi.org/10.1302/0301-620X.61B2.285933
%K