title: The effects of extended spaceflight on hematologic and immunologic systems.
mesh_terms: D000328:Adult; D001790:Blood Physiological Phenomena; D001798:Blood Proteins / Q000032:analysis; D001810:Blood Volume; D004906:Erythrocyte Count; D004912:Erythrocytes / Q000473:pathology*; D006452:Hemoglobinometry; D006801:Humans; D007109:Immunity; D007111:Immunity, Cellular; D007136:Immunoglobulins / Q000032:analysis; D008214:Lymphocytes / Q000502:physiology; D008297:Male; D008855:Microscopy, Electron, Scanning; D008875:Middle Aged; D013026:Space Flight; D014893:Weightlessness
chemical_list: D001798:Blood Proteins; D007136:Immunoglobulins