title: Preliminary report on the protection from Ehrlich ascites tumor with tumor cells photoinactivated in the presence of psoralen or 8-methyl-psoralen.
mesh_terms: D000818:Animals; D002286:Carcinoma, Ehrlich Tumor / Q000517:prevention & control* / Q000532:radiotherapy; D003374:Coumarins / Q000494:pharmacology*; D004273:DNA, Neoplasm; D003888:Desensitization, Immunologic; D051379:Mice; D009368:Neoplasm Transplantation; D011485:Protein Binding; D013997:Time Factors; D014184:Transplantation, Homologous; D014467:Ultraviolet Therapy
chemical_list: D003374:Coumarins; D004273:DNA, Neoplasm