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April 5, 1919


JAMA. 1919;72(14):993-994. doi:10.1001/jama.1919.26110140001011

In giving intravenous infusions in large numbers to dementia praecox patients and morphin addicts, I found it necessary to simplify the usual technic. This simplified technic gets rid of much of the awkward paraphernalia commonly required, and insures cleanliness in giving the infusions.

PREPARATION OF THE SALINE SOLUTION  Nine gm. of U. S. P. sodium chlorid are weighed out and transferred to a small test tube. The salt is shaken down, and the height to which, it comes in the tube is marked with a file or label. The test tube then serves as a 9 gm. measure. A number of new quart medicine bottles are washed clean, and 9 gm. of salt are put in each bottle. The bottles are then filled with freshly distilled water to a previously determined and permanently indicated 1,000 c.c. mark. The resultant solution of sodium chlorid is 0.9 per cent. and is of

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