Gahlenbeck, H Oxygen and carbon dioxide exchange across the cow placenta during the second part of pregnancy. [electronic resource] - Respiration physiology Mar 1968 - 119-31 p. digital Publication Type: Journal Article ISSN: 0034-5687 Standard No.: 10.1016/0034-5687(68)90046-7 doi Subjects--Topical Terms: AnimalsCarbon Dioxide--bloodCattleErythrocyte CountFemaleHydrogen-Ion ConcentrationMaternal-Fetal Exchange--physiologyOxygen--bloodPlacenta--physiologyPotassium--bloodPregnancySodium--bloodUmbilical ArteriesUmbilical VeinsUterus--blood supply