Document ggm9yzJwMMmG1MRn1QRLz4Xe

HARVARD UNIVERSITY SCHOOL OF PUBLIC HEALTH D e pa r t m e n t o f In d u st r ia l H y g ie n e October 20, 1944 5 5 Sh attu ck Street 'B o sto n , uM assac h u se t t s D r . Rob er t A. Kehoa U n iver sity of Cin cin n ati College of Medicine Ket t er in g Laboratory of Applied Ph ysiology Eden Avenue C in cin n at i, Ohio Dear Bob- I h ave been ask ed on se v e r a l o c c a sio n s r e c e n t l y q u e st i o n s as t o t h e e f f e c t s of p en t ach lor op h e n o l when t h e compound i s u se d fo r v a r i o u s im p r e gn a t io n s. Have you an y f i e l d st u d i o s or d a t a on humane which migh t supplemen t t h e paper s by your la b o r a t o r y w h ich have ap p e ar ed p r e v i o u sl y , su ch a s in our Jo u r n al 1943, p . 192 and Jou r n al o f P h ar m ooology, V o l. 76, p . 104. Can you r e f e r me t o u se r s who migh t give t h i s in for m ation i f you do not have i t ? Sin cer ely you rs, P h ilip Drinker