Activity of the gamma-glutamyltransferase, leucine aminopeptidase and alkaline phosphatase enzymes in human tear fluid

1. Calderon de la Barca Gazquez, J.M.
2. Jimenez Alonso, J.
3. Barrios, L.
4. Jaimez, L.
5. Jimenez Murillo, L.
6. Jimenez Pereperez, J.A.