in situ and in vivo

Name: Elías Humberto Hermida Ochoa

Address: Durango 290-207/208, Col. Roma, 06700 México, D. F.

Telephone: 5286-05-88 Fax. 5256-03-56

Profession: Doctor of Medicine, Orthopaedic Surgeon

Title S.S.A. 50771

Professional I.D. 345807

Specialty I.D. 4584266

Certified by Consejo Mexicano de Ortopedia (Mexican Orthopaedic Council) Re 014799