the following tumour cell populations were used : the original lw13k2 sarcoma from inbred lew/cub rats , rps sarcoma derived from it by neoplastic progression , four cell populations isolated in vitro from metastases of a syngeneic lew-cub strain rat with rps tumour and four neoplastic cell populations isolated from spontaneous metastases shed by rps sarcoma in allogeneic rats , differing from lew/cub in weak alloantigenic loci .
C0027651
tumour
C0597032
neoplastic cell