. Radium . orkers in this field throughout the country. If the invaded glands have not broken down, they will usually dis-appear under judicious cross-fire radium treatment. If the glands aresmall, treatment may be given externally; if large, radium needlesshould be inserted directly into the glands. It is often difficult andmay be impossible accurately to determine whether the glands are simplyinflammatorv or whether true metastasis has taken place: but the indi- *Important experimental work is under way in European and Americanlaboratories to improve the efficiency of the x-rays by increasin
. Radium . orkers in this field throughout the country. If the invaded glands have not broken down, they will usually dis-appear under judicious cross-fire radium treatment. If the glands aresmall, treatment may be given externally; if large, radium needlesshould be inserted directly into the glands. It is often difficult andmay be impossible accurately to determine whether the glands are simplyinflammatorv or whether true metastasis has taken place: but the indi- *Important experimental work is under way in European and Americanlaboratories to improve the efficiency of the x-rays by increasing the currentfrequency and shortening the wave lengths, thus making possible homogenouspenetrating rays, so that the action of these improved x-rays may approximatethe action of the gamma rays of radium. Very powerful x-ray machines withtubes to back up an eighteen to twenty inch spark gap have been preliminary reports it would appear that this object may in time be ac-complished. 26 Radium.
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