Observations on the placental exchange of the respiratory gases in pregnant ewes at high altitude.
D000531:Altitude; D000818:Animals; D019069:Cell Respiration; D005260:Female; D005333:Fetus / Q000502:physiology*; D005740:Gases; D006801:Humans; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy; D012119:Respiration / Q000502:physiology*; D012756:Sheep
D005740:Gases
ALTITUDE; FETUS/physiology; PLACENTA/physiology; RESPIRATION/physiology