Detry, R., Vanheuverzwyn, R., Mahieu, P., & Kestens, PJ. (1984). [Diagnosis of Tumor Recurrence After Curative Resection of Sigmoidorectal Cancers]. Acta Gastro-Enterologica Belgica (Multilingual Edition), 47(4), 370-375. https://hdl.handle.net/2078.5/45279 (Original work published 1984)