title: Studies on low temperature spectra of respiratory pigments. I. Measurement of absorption spectra between liquid helium and room temperatures.
mesh_terms: D000042:Absorption; D003580:Cytochromes / Q000032:analysis*; D006371:Helium; D008722:Methods; D009211:Myoglobin / Q000032:analysis; D013053:Spectrophotometry; D013696:Temperature
chemical_list: D003580:Cytochromes; D009211:Myoglobin; D006371:Helium