American journal of obstetrics and gynecology
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Am. J. Obstet. Gynecol. · Jan 1976
Development of a special electrode for continuous subcutaneous pH measurement in the infant scalp.
Using a combined special glass electrode it is possible to monitor pH ratios and pH variation in the subcutaneous tissue of the infant scalp continuously. Tests on a normal sample of newborn babies immediately after birth showed a significant correlation between tissue pH and capillary blood pH, with the trend of pH variation being broadly similar in both measurement media.