E. J. Tridgell

Purification of penicillin-induced penicillinase of Bacillus cereus NRRL 569: a comparison of its properties with those of a similarly purified penicillinase produced spontaneously by a constitutive mutant strain.

M. Pollock, M. Kogut, E. J. Tridgell, 1956, The Biochemical journal.

A comparison of the properties of penicillinase produced by Bacillus subtilis and Bacillus cereus with and without addition of penicillin.

M. Pollock, E. Manson, E. J. Tridgell, 1954, Journal of general microbiology.

Crystalline bacterial penicillinase.

A. Torriani, M. Pollock, E. J. Tridgell, 1956, The Biochemical journal.