1. Experientia;AIUTI, F.; TURBESSI, G.; UGOLINI, A.;(Basel); Arch,1969
2. Infect;GUMPEL, J.M.; GOLDBERG, L.s; HOLBOROW, E.J.;Ibid; Invest,1972
3. JOSEPHSON, A. s., and WEINER, R. S. (1968) Ibid., IOO, io8o
4. Invest;KNOPF, H.L.S.; BERTRAN, D.M.; KAPIKIAN, A.Z.;Ophthal; Clin. exp,1970
5. LOWRY, 0. H., ROSEBROUGH, N. J., FARR, A. L., and RANDALL, R. J. (1951) J. biol. Chem., 193, 265