title: Space flight effects on haemopoietic stem cells of the bone marrow of rats.
mesh_terms: D000818:Animals; D002452:Cell Count; D005260:Female; D006412:Hematopoietic Stem Cells / Q000166:cytology*; D051381:Rats; D011919:Rats, Inbred Strains; D013026:Space Flight; D013154:Spleen / Q000166:cytology; D013997:Time Factors