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Table 1 Head and neck cancer - sample characterization, Brazil, 2009.

From: Voice analysis after cancer treatment with organ preservation

SAMPLE CHARACTERIZATION

Variable

Frequency

Smoking

  

Yes

  

Present

4

16%

Former

16

64%

No

5

20%

Daily use

15 cigarettes/day

 

Alcohol use

  

Yes

  

Present

11

44%

Former

8

32%

No

6

24%

Daily intake

4 doses

 
  1. Source: Research data.