title: Gas exchanges and blood gas concentrations in the frog Rana ridibunda.
mesh_terms: D000818:Animals; D001001:Anura; D002245:Carbon Dioxide / Q000097:blood*; D004242:Diving; D006863:Hydrogen-Ion Concentration; D008168:Lung / Q000502:physiology; D010100:Oxygen / Q000097:blood*; D010313:Partial Pressure; D011898:Ranidae / Q000502:physiology*; D012119:Respiration; D012879:Skin Physiological Phenomena
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen