a1918 W. Owen (1963) 74 (title) S.I.W.
1929 Dec. 629/2 ‘What really coopered him, was being in charge of an S.I.W. just before Armistice.’ ‘What is an S.I.W.?’ I said. ‘A hospital for self-inflicted wounds.’
1975 P. Fussell viii. 294 The final two lines of ‘S.I.W.’ tell us how the victim of the self-inflicted wound was buried.