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September 19 19U9 Dr.

C l a s s o f Se r v ic e 1201 SYMBOLS This is" a full-rate Telegram o r Cable gram unless its de ferred character is in dicated by a suitable symbol above or pre ceding the address.

In t e r -O f f i c e Co r r e spo n d e n c e Et h y l Ga s o l i n e Co r po r a t i o n - V*S ' 2 5 BROADWAY N e w Yo r k Oc to b e r 19 , 19 2 8 .

October 10 193^ Dr* Edw* F , Ko t e r sh all 28I4X West 25th St r e e t Clevelan d^ Ohio Dear Dr* Koberah alls Thanks fo r your l e t t e r o f October 8th d escr ib in g th e recu rren ce o f symptoms In your p at ie n t Mr.

- i r i' ' .v P'*',,i ' Hf r'' i ` .t d .i l .

/ Dr.

IN R E P L YI N G AD D R E S S TH E DIRECTOR N ATIO N AL IN STITU TE O F H EALTH U.

\ B-D QEG U S B e c t o n , D i c k i n s o n 8c C o .

do io n e i Donald S.