Although the first use of pituitary in obstetrical practice was made, in England, but few papers dealing with its action have been published in English, while in Europe it has been so extensively used that a study of the large number of papers and cases now published enables one to formulate, with considerable precision, rules for its employment. This is especially true after one has given it, with success and failure, in one's own experience. This forms the justification for this paper. In 1895, Oliver and Schaefer, in their series of experiments with organ extracts, followed up their papers on the striking effects produced by the injection of extracts of the adrenal by showing that extracts of the pituitary also produced a rise in blood-pressure. In 1898, Howell showed that it was the posterior lobe which possessed this property. This was confirmed by Schaefer and Vincent, and in 1901 Schaefer
HARRISON FC. ON THE USE OF PITUITARY EXTRACT IN OBSTETRICS. Arch Intern Med (Chic). 1913;XII(3):322–330. doi:10.1001/archinte.1913.00070030079008
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