Cho, H., Adrio, J. L., Luengo, J. M., Wolfe, S., Ocran, S., Hintermann, G., . . . Demain, A. L. (1998). Elucidation of conditions allowing conversion of penicillin G and other penicillins to deacetoxycephalosporins by resting cells and extracts of Streptomyces clavuligerus NP1. National Academy of Sciences.

Cho, Hiroshi, José L. Adrio, José M. Luengo, Saul Wolfe, Simeon Ocran, Gilberto Hintermann, Jacqueline M. Piret, and Arnold L. Demain. Elucidation of Conditions Allowing Conversion of Penicillin G And other Penicillins to Deacetoxycephalosporins By Resting Cells And extracts of Streptomyces Clavuligerus NP1. National Academy of Sciences, 1998.

Cho, Hiroshi, et al. Elucidation of Conditions Allowing Conversion of Penicillin G And other Penicillins to Deacetoxycephalosporins By Resting Cells And extracts of Streptomyces Clavuligerus NP1. National Academy of Sciences, 1998.