Document regvpo4B5ZRX84Qq5NoLoj87G

ELSTONL. BELKNAP. M. D. 231 W . W ISCONSIN AVE. MILWAUKEE Dr . n . Lehoe U niversity of C incinnati C in cin n a ti, Ohio. o medicine s e a r Dr . L ehoe: .. As I u n d erstan d i t , in your p u b lic a t io n s v:here - you r e f e r to s o c a lle d normal lim it of lead in th e u rin a ry e x c r e - t ie r ., you d e sig n a te i t as th e amount in a l i t e r * O th ers, a t tim es, have referred ' fo r in stan ce to the upper so ca lle d normal l i m i t o f .0 3 to .1 p e r 2 4 -h o u rs u r in a r y e x c r e t i o n . 'w ill you p le a s e t e l l ne your p r e s e n t -vtiev/s a s to .which i s now more g e n e r a lly r e garded as the c o rre c t usage - normal lim it per l i t e r , or per 24- hour specimen. . I am s o r r y t h a t I was u n ab le t o be in C lev elan d y e ste rd a y to h ea r your t a l i : on Lead a b so rp tio n v s . Lead In to x ic a tio n as. I f e e l th a t i s an exceed ingly im portant d is tin c tio n . Should your cap er become -a v ^la lg ^J>y r e p r in t , I s h a ll be g lad i f you w i l l send me- r e p r in t s ^ t n a i y o u m ay have a v a il a b l e on le a d a b s o r p tio n and le a d i n t o x i c a t i o n s in c e th e bound volume ju iu were kind enough to send me a few y e a r s ag o . Thanking you in advance f o r 3*0u r comment in t h i s e r ,n iG . U L- I am S i n c e r e l j'-, X ,P16 S Isto n L . Belknap r* ^ 9* L Xj ,3 : Vi 0019860