title: Labeled release - an experiment in radiorespirometry.
mesh_terms: D002250:Carbon Radioisotopes; D005118:Extraterrestrial Environment; D005740:Gases; D006358:Hot Temperature; D011851:Radioactivity; D012106:Research; D013026:Space Flight; D013242:Sterilization; D014481:United States
chemical_list: D002250:Carbon Radioisotopes; D005740:Gases