title: The delay of leukaemia in tetraparental ovum fusion-derived AKR chimaeras.
mesh_terms: D000367:Age Factors; D000818:Animals; D005260:Female; D008223:Lymphoma / Q000453:epidemiology* / Q000276:immunology; D008297:Male; D051379:Mice; D008806:Mice, Inbred AKR; D009030:Mosaicism; D009374:Neoplasms, Experimental / Q000276:immunology; D010063:Ovum / Q000637:transplantation; D011402:Pronase; D011555:Pseudopregnancy; D012377:Rodentia; D013950:Thymus Gland / Q000276:immunology; D014184:Transplantation, Homologous
chemical_list: D011402:Pronase