title: [Genetic and environmental influence on control of respiration in adult twins].
mesh_terms: D000328:Adult; D000367:Age Factors; D000403:Airway Resistance; D001784:Blood Gas Analysis; D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D005796:Genes; D006801:Humans; D010100:Oxygen / Q000097:blood; D011247:Pregnancy; D011659:Pulmonary Gas Exchange; D012119:Respiration; D012125:Respiratory Center / Q000502:physiology*; D012907:Smoking; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen