A

B

gastric (phase 1)

*

gastric (phase 1)

Gastroduodenal (phase 1+2)

- PC + PC - PC + PC

- PC + PC

Control

enzyme

Gastroduodenal (phase 1+2)

- PC + PC

Bas

otes

t (A

I)

Bas

otes

t (A

I)

PC

NA

(A

I)

PC

NA

(A

I)