1) Kurokawa Y: Experiments on lymph node metastasis by intralymphatic inoculation of rat ascites tumor cells, with special reference to lodgement, passage, and growth of tumor cells in lymph nodes. Gann 61: 461-471, 1970
5) Black MM, Freeman C, Mork T et al: Prognostic significance of microscopic structure of gastric carcinomas and their regional lymph nodes. Cancer 27: 703-711, 1971