Document rBmaELXqkr1XQ73JpgLRv8aoG

A B B O T T LA BO R A T O R I E S r e s e a r c h d i v i s i o n N O RTH CH I CA GO ROBERT D . CO CH ILL D ir o ct o r o f Research MARLIN T. LEFFLER Associate D ir e ct cr c f Research RICH ARD IC. RICH ARDS Associate Director*c f Rcsear h jEDWARD J. MATSON Assistant Direct or cf Research I LLI N O I S March 20, 1952 Robert A. Keh oe, U.D. U n iversity of Cin cin n ati The ^ fe t t e r in g Lab o r at o r y College o f Medicine Zden ven ue Cin cijn n ati 19, Ohio Dear Dr. Kehoe: ; I f e e l somewhat erabarassed ' t o h ave you pu t in t o r e p e at e d e f f o r t in b e h a lf o f my q u e st io n s. How ever, iI an in deed v ery g r a t e fu l t o you fo r th e very illu m in a t in g l e t t e r o f March 17th wh ich r e c o n c ile s in ny ovaji mind some o f t h e c o n t r o v e r sia l r e p o r t s. I h ad a lr e a d y fin ish e d t h e r e v isio n o f my ch ap t e r on t o x ic o lo g y when I r e c e iv e d you r f i r s t r e p ly t o n y in q u ir y , bu t when I h ave t h e p r o o fs I s h a l l t r y t o make some c o r r e c t io n s which I b e lie v e a r e v e r y w e ll w orth w h ile on t h e b a si s o f you r a u t h o r it a t iv e knowledge in t h i s f i e l d . I am su r e t h a t many d o c t o r s w i l l bp v e r y g r a t e fu l t o you i f you r tim e would p e r mit t o jp u t you r ob ser vation s in t o th e lit e r a t u r e as you arp plan n in g. * Again , many t h an k s f o r you r u n t ir in g eoopsr a t io n and you r ver y h e lp fu l a d v ic e . Very t r u ly you rs, A.KR:as R. K. R ic h ar d s, M.D. 'll -Tbed ,s h ave >la t e d >r .n an tly Lid a t e ice ? on it is3ive ges in of th e i o n s, and he dated iy le v e ls ase in e-leadin g " se