Which of the following factors is most strongly linked to an increased risk for the development of multiple myeloma?

Which of the following factors is most strongly linked to an increased

1.	Which of the following factors is most strongly linked to an increased risk for the development of multiple myeloma?
A.	Alcohol use
B.	Tobacco use
C.	Mustard gas exposure
D.	Ionizing radiation exposure
Answer» E.

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Which of the following factors is most strongly linked to an increased risk for the development of multiple myeloma?

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