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Tii*r CocxctL F on ToBncco RESEARcu-U.fi.A., INc. 110 EAST S0Ta STREEf AEW 1'Oftli. \. T. 30022 February 23, 1971 i The Editor Washington Star 225 Virginia Street, S.E. Washington, D.C. 20003 Dear Sir: llay I correct the statement of three officials of the Medical Society of the District of Columbia that by , my not personally reviewing the Auerbach smoking dog material, in some way the claims made are supported. Simply stated, by prenature publicity for their annual fund campaign the Cancer Society violated due scientific process and was thereby hurt. Failure of the J.h.M.A. to publish the study indicated serious defects. Four investigators I respect who were c1oLe to the situation found no squamous lung carcinora denonstrated. The evidence in the December medical literature is unconvincing. No one is likely to use this experimental model again, since $750,000 was spent and zero squarious carcino^+as can be accepted as produced. It is another of many experin,ents in which inhaled cigarette smoke did not produce cancer. Respectfully submitted, _ .~(!...~....~ ~ C Sheldon C. Sommers, M.D. Research Director SCS:ek 222 CTR HN 01494-'e'?

THIS DOCUMENT SUB)ECT TO CONFIDENTIAIITY AOBEEMENT. 1'ebztiary 24. 1971 Dr. Sheldon C. 6oso.rs Di.rector of Leboratoriss Lanox Mill Hospital 100 6ast 77th Street H.w York, N.T. 10021 Dear Cbarli.t As you will see tYme the enclosnre, I bad your lett.r from Zurich typed en CIR stationery aAd ie+at to the n.wspaper. Tour lstter bad two minor e,rrora of fact -- it was the Washington Star, aot Post, on.d the officials were from the D.C. medical society. I recommendcd sendias tbe l.ttar precis.ly for the point you made - that slience might indieate assent. Incidentilty, I did not get a eopy of the Star letter until yesterdsy. A copy is .nclosed. Trust you and tdith bad a wonderful tis.! With bedt wisbes. Hope to see you soon. Sincerely, Leonard S. Zahn t,Si/ur c c s li .Z . lio yt gnclosures I Scyn mP, S Dep. ~.x sa 1$ 11 ZIN ' 217 ..... CTR HN 014943