. The American journal of roentgenology, radium therapy and nuclear medicine . -urther experiment. [Note: Before Dr. Caldwells death he vis-ted our laboratory and was shown this appa-. FiG. 6 Prim 01 Spi\l Showing the Unusu.\l Con-trast OnT.\iN.\BLE IN Person of LightWeight. With intensifying screens these con-trasts can be made so violent as to be objec-tionable. invisibility with suppression of secondaries to-ward which we have been working. In Cincin-nati, at the February, 1917, meeting, our pres-ent apparatus was described and results mention of it has not been made untilrece
. The American journal of roentgenology, radium therapy and nuclear medicine . -urther experiment. [Note: Before Dr. Caldwells death he vis-ted our laboratory and was shown this appa-. FiG. 6 Prim 01 Spi\l Showing the Unusu.\l Con-trast OnT.\iN.\BLE IN Person of LightWeight. With intensifying screens these con-trasts can be made so violent as to be objec-tionable. invisibility with suppression of secondaries to-ward which we have been working. In Cincin-nati, at the February, 1917, meeting, our pres-ent apparatus was described and results mention of it has not been made untilrecently, when visiting roentgenologists urgedthat it be written up for the Journal. It has been difficult to learn what Buck\ma}^ have accomplished along this line, butcertainly there has been no announcement thata practical working method of suppressing ob-ject-secondaries has been brought out. Themethod above described is fairly simple and itseems time that manufacturers should make itavailable for our routine work.] DIAGNOSIS BY THE HELP OF X-RAYS OF CIRRHOSIS OF THE LIVER By a. HOWARD PIRIE, MONTREAL, CANADA p) Y comparing these two radiographs one^^ can make out certain
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