title: Spontaneous and radiation-induced benign tumors in parabiont rats.
mesh_terms: D000367:Age Factors; D000818:Animals; D005260:Female; D006728:Hormones / Q000378:metabolism; D008297:Male; D009374:Neoplasms, Experimental / Q000473:pathology*; D009381:Neoplasms, Radiation-Induced / Q000473:pathology*; D010227:Parabiosis; D011829:Radiation Dosage; D051381:Rats; D012737:Sex Factors; D014965:X-Rays
chemical_list: D006728:Hormones