title: Biochemical observations of long duration manned orbital spaceflight.
mesh_terms: D000222:Adaptation, Physiological; D000302:Adrenal Cortex / Q000378:metabolism; D000313:Adrenal Medulla / Q000378:metabolism; D001774:Blood Chemical Analysis; D002118:Calcium / Q000378:metabolism; D004032:Diet; D005243:Feces / Q000737:chemistry; D006801:Humans; D013026:Space Flight; D014556:Urine / Q000737:chemistry; D014882:Water-Electrolyte Balance
chemical_list: D002118:Calcium