title: The RBE of negative pions in 2-day-old ascites tumors.
mesh_terms: D000818:Animals; D003036:Cobalt Isotopes; D008223:Lymphoma / Q000532:radiotherapy*; D051379:Mice; D009374:Neoplasms, Experimental / Q000532:radiotherapy*; D010100:Oxygen; D010313:Partial Pressure; D011879:Radiotherapy Dosage; D013997:Time Factors
chemical_list: D003036:Cobalt Isotopes; D010100:Oxygen