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Histology and appearance of tumors induced by MS1 cells and SVR cells in nude mice. (a) Subcutaneous MS1 tumor stained with hematoxylin and eosin. (×10.) (b) Tumor in nude mouse derived from SVR cells injected subcutaneously into 5- to 6-week-old male nude mice. (c) SVR tumors stained with hematoxylin and eosin. (×132.)
