Document pjopGE387vLrbKZLDLY0b4mB

Sear ch 24, 1966 Be r na r d B. Br odi e, Ph. D. Chi ef , Labor a t or y of Chemi cal Phar macol ogy Na t i onal Hear t I ns t i t ut e Nat i ona l I ns t i t ut es of He a l t h Publ i c He a l t h Ser vi ce Bet hes da, Ma r yl and 20014 De a r Doc t or Br odi e: Ha vi ng r e t ur ned t o my des k s ome weeks ago, I have now t he oppor t uni t y of c a t c hi ng up wi t h my cor r es pondence, a nd I not e wi t h t hanks your r es pons e of Se pt e mbe r 8 t o my l et t er c onc e r ni ng t he a l l eged car ci noge ne c i t y of t et r aet hyl l ead. I t hi nk i t unl i ke l y t hat ma ny per s ons e xa mi ned t he r ef er ences i n your ar t i cl e wi t h s uf f i ci ent car e t o not e t he s t at ement , but I wonder , i n vi e w of t he f act t hat t he unexpect ed of t e n happens , whe t he r s ome c or r e c t i on of t he s t at ement i s i n or der . I t may be t hat t hi s woul d exci t e mor e of a pr obl e m t han i t woul d pr event , but I am mi ndf ul of t he a ut hor i t y t hat i s ve s t e d i n t he wr i t t en wor d, a nd how f r eque nt l y t hi s oper at es i n me di c o- ^ ga l ma t t e r s . I nci dent al l y, t hi s i s ha r dl y l i kel y t o make a ny t r oubl e f or me, but i t mi ght wel l c r eat e a s er i ous i s s ue i n t he t et r aet hyl l ead ( ant i knock) i ndus t r y, whi c h i s of t en, a nd e ve n now, under e xami nat i on i n ot he r mat t er s . I wonder , t her ef or e, i f a n unobt r us i ve not e i n SCI ENCE, f or t he r ecor d, woul d not be appr opr i at e. Si ncer el y your k * RAK: wp Rober t A. Kehoe, M. D