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• Decade: 1930s ×
• Person: J.W. Karr ×
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1 result for “General Electric”

1. Medical study · Medical research · 1938

   Pneumoconiosis And Pulmonary Carcinoma

   …the authors' own series, showed 30 with lung cancer (0.8 per cent). The authors said this was lower than in routine autopsies of the general population. Of 3,338 animals, only 2 guinea pigs developed…