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766 Twentieth Congress--National Safety Council Utfrchai-gc his duties.

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OCCUPATIONAL NEOPLASIA AND CANCERIGENESIS 817 McIntosh obtained in 1933 four tumors in fowls treated with tar, three of which could be propagated readily by filtrates prepared from the original neoplasms.

ABSTRACTS FROM CURRENT LITERATURE 329 In investigations covering hundreds of persons engaged in lead mining, lead smelting, etc., he confirmed the general observafions of Ferguson and Ferguson (1934) in regard to the ratio of large to small lymphoid cells.

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344 FRANK A.

234 CHAPTER 6 Not all cigarette companies were enthusiastic about the rise of German fascism.

360 BIBLIOGRAPHY Liek, Erwin.

Asbestos use faces further restrictions Although asbestos is one of the most heavily regulated materials used in commerce today, some federal agen cies maintain that it continues to be a hazard and they are making a con certed effort to restrict its use even further

1 and find out about it, at least have a look.

Page 2252 1 Now, I guess, really, the only difference is 2 that they take out the word "probably?"

Page 2761 1 Q Where did you go to medical school, sir?

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