Document MJOEzw90R94kBRw752VZNGLky

February 19 * 1919 >2>r_'W. E RaniseyVVvs. * ' SheAmerican Smelting & Refining Company, Perth Amboy, Hew Jersey. -% * 'My dear Dr * Ramsey: At.the suggestion of Dr . P. E. Schubnehl of the Several Electric Company, I am writing you In regard to'possible co-operation in soma studies we are desirous of naming on lead 'poisoning. Professor Otto Polin of this Medical School has recently,perfected accurate and unpublished methods for the detection of uric acid in blood. Shese methods are so much - better than anything'else that ha;s existed before that they ' have led us to hope that we may have through them a means of detecting abnormal accumulat'ions of uric acid in lead workers considerably before any other symptoms appear.. We require 10 ce. of blood foi* ti;e test, and should you'be able to help us by sending us a few such-bloods, we will of course place in y^ur hands bottles, mailing eases,, ote., so that ,your only task .(i . will be~tlieryenaus. puncture for . the collection. ` i- . . ' *- - . xfot kn6w"%hether you make regular examinations of your " ' ***1' `-I- - *' % >*" / lead workers-^^r'"not He have found, in one instance when this was done, that the taking of one extra specimen of blood in this way created no comment or trouble. . * , . \> ' ' I think that you will feel the importance of making this attempt in picking out individuals who are particularly susceptible to lead, aacf I trust you will be able to help us in the matter. Very* truly yours ,