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2. Fœtal Distress in Post‐Maturity;Clayton S. G.;Proc, Roy. Soc. Med.,1953
3. Oxygen Saturation of Umbilical Artery and Vein Blood at Birth, with Special Reference to Cord Obstruction;Clemetson C. A. B.;Proc. Boy. Soc. Med.,1953
4. OXYGEN AND CARBON DIOXIDE CONTENT OF UMBILICAL ARTERY AND VEIN BLOOD IN TOXAEMIC AND NORMAL PREGNANCY*