title: Early morphological changes in the cortical and medullary thymocytes of the rat after whole-body irradiation. II. Quantitative investigation.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000528:radiation effects; D008297:Male; D008854:Microscopy, Electron; D011830:Radiation Effects; D051381:Rats; D013601:T-Lymphocytes / Q000528:radiation effects*; D013950:Thymus Gland / Q000528:radiation effects*; D013997:Time Factors