TY - RPRT TI - Tumor progression in vitro: tumor-promoter-induced reversible decrease in natural immune susceptibility. AU - P A Sandstrom AU - D A Chow PY - 1988 DO - 10.1093/carcin/9.11.1967 UR - https://pubmed.ncbi.nlm.nih.gov/3180334/ ID - 3180334 ER -