Ngiam, C., Jeenes, D. J., Punt, P. J., Van Den Hondel, C. A. M. J. J., & Archer, D. B. (2000). Characterization of a Foldase, Protein Disulfide Isomerase A, in the Protein Secretory Pathway of Aspergillus niger. Appl Environ Microbiol.

Ngiam, Celina, David J. Jeenes, Peter J. Punt, Cees A. M. J. J. Van Den Hondel, ja David B. Archer. "Characterization of a Foldase, Protein Disulfide Isomerase A, in the Protein Secretory Pathway of Aspergillus Niger." Appl Environ Microbiol 2000.

Ngiam, Celina, et al. "Characterization of a Foldase, Protein Disulfide Isomerase A, in the Protein Secretory Pathway of Aspergillus Niger." Appl Environ Microbiol 2000.