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Table 3 Number of precipitin arcs for four antigens in workers exposed to argan and non-exposed controls

From: Working with argan cake: a new etiology for hypersensitivity pneumonitis

Case

Precipitin arcs n

Argan granulates

Argan powder

Sterile finished product

Bacillusspp

Streptomyces marokkonensis

ES*

DD

ES

DD

ES

DD

ES

DD

ES

DD

Workers exposed to Argan

1

7

4

3

4

1

1

0

1

0

0

2

2

0

0

2

0

0

0

0

1

0

3

2

1

1

1

0

0

0

2

0

0

4

5

2

3

2

0

0

0

1

1

0

5

2

1

1

1

0

0

0

1

1

0

6

2

1

1

1

0

0

0

0

1

0

7

2

1

1

1

0

0

0

1

0

0

8

2

1

1

1

0

0

0

0

1

0

9

4

3

3

1

0

0

0

0

0

0

Non exposed Controls

1 (serum pool)

1

0

0

2

0

0

0

0

0

0

  1. *ES = electrosyneresis.
  2. double diffusion.
  3. from 9 other urban adults without exposure to farm products or birds.