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Table 7 Frequency Distribution of VPA Dosage by Hair Color

From: The concentration of three anti-seizure medications in hair: the effects of hair color, controlling for dose and age

VPA Dose

Hair Color

(mg/day)

     
 

Black

Brown

Blond

Gray

Total

200

 

1

  

1

300

2

3

 

1

6

400

1

3

 

1

5

500

3

   

3

600

3

3

1

 

7

700

 

1

  

1

800

  

2

 

2

900

 

1

  

1

1000

1

3

 

1

5

1500

7

1

  

8

3000

 

1

  

1

Total

17

17

3

3

40