Shioyama, Yoshiyuki, et al. “ 15 CrossRef Citations to Date 0 Altmetric Research Article Long-Term Control for a Retroperitoneal Metastasis of Malignant Gastrointestinal Stromal Tumor After Chemoradiotherapy and Immunotherapy”. Acta Oncologica, vol. 40, no. 1, Jan. 2001, pp. 102-4, doi:10.1080/028418601750071154.