Document 4xY6xN47ZeL6nkRk8m78Y3xR

Hovember 2 2 , i g ljJj P h ilip D rinker Harvard U niversity School of Public H ealth 55 h h a ttu c k S t r e e t Boston, Hass. Dear P h il . , th a n k s f o r yo u r l e t t e r o f ovember 17th w ith i t s referen ce to N elon 88 8 so u rce o f in fo rm a tio n on derm atoses r e f e r a b le to c o n ta c t w ith p e n ta c h lo ro p h e n o l. I am w r ^ i n g to him d i r e c t l y . s. Sincerely yours, ftAKirms J Hobart A, Kehoe, C D . f N22180