Document wgGXoMRrxgL60kO4nw4jaMnjQ

ELSTON L. BELKNAP. M. D 231 W. WISCONSIN AVE. MILWAUKEE -%i* JA 0 i'-w University of Cincinnati College of medicine Cincinnati, Ohio. Lear Dr, Lehoe: is I understand it, in your publications 'where *-ou refer to socalled normal limit of lead in the urinary excre tion, you designate it as the amount in a liter Others, at times, have referred' for instance to the upper socalled normal limit of .08 to .1 per 24-hours urinary excretion, V/ill you please tell ne your present vtiev/s as to which is now more generally yarded as the correct usage - normal limit per liter, or per PAhour specimen. I am sorry that I was unable to be in Cleveland yesterday to hear your tali: on Lead absorption vs. Lead Intox ication as. I feel that is an exceedingly important distinction. Should your caper become av^l^^^y reprint, I shall be glad if you viill send me - reprints tnatyou m ay have available on lead absorption and lead intoxication since the-bound volume y<m were kind enough to send me a few years ago. ulci U L- er, I am Thanking you in advance for your comment in this Sincereljr, .3 lii 171 o-f'rm 7 "Cal 1 HE 0019860