Activity of soluble aminopeptidase A and dipeptidyl peptidase IV and membrane-bound aminopeptidase B and pyroglutamyl peptidase I in adenoid hyperplasia, tonsillar hyperplasia and chronic tonsillitis

1. Larrinaga, G.
2. Perez, I.
3. Sanz, B.
4. Irazusta, A.
5. Zarrazquin, I.
6. Sanchez, C.E.
7. Rey, A.S.D.
8. Zabala, A.
9. Santaolalla, F.