417 



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experimental ev^e^e for the theory, it is doubtful that any findings reported 

 so far have aoy valid Afglication to the human situation. 



Taking aUOhe «b6ve into consideration, we believe there is sound 



% X ': 



evidence to conclude tlm£,the" atatemcnt "cigarettes cause cancer" is not a 



statement of fact but merely-^ji hjrpotfaesis. 



^erely^j 





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