[PAGE 1]
Smith Kline & French Lahoratories · 1500 Spring Garden Street, Philadelphia i, P

TT

Dear Deetor Isbell:

It va a plssers te talk vih you c the tslephose sad ro p lockisz rvad to sesins you oc Pday, May l. Dr. kaipa c  ,I ay

Vs ba4 sl iy (perapa tc as;  à xirtura vesramyrccsznatiools a taed. tis :s, kovever, oli satartal and is the rsti"a cia e s wo ay d to yd  to a r it v sa vorle t ytse a sirua a ttrayacoios and tc srara it vi you, ve vouá ce glai to ccaizar coing so.

Se Neo bave  supply at thd otova r cl drcie It is4 13 29 i -aies ve aave beer playuig. Arter va tave bat a aranca to tak vita yeu, yu gt viz t loox at  spis o 1c.

Dr. foeschi ia pulling tegttzer his data and sheuld havs is da gos2 ao to ezas 1 vid jc oa ta-l9

'sincerely yours,

Rercarcà and Itercloparat Dicisios

Olesa E. Ulyot Astocte DLcaster at Reesrer asd Davsicpzent