A new colorimetric assay for purine nucleoside phosphorylase.

MLA

Chu, S. Y., et al. “A New Colorimetric Assay for Purine Nucleoside Phosphorylase.” Clinical Biochemistry, vol. 22, no. 5, Oct. 1989, pp. 357–62. EBSCOhost, https://doi.org/10.1016/s0009-9120(89)80032-3.

APA

Chu, S. Y., Cashion, P., & Jiang, M. (1989). A new colorimetric assay for purine nucleoside phosphorylase. Clinical Biochemistry, 22(5), 357–362. https://doi.org/10.1016/s0009-9120(89)80032-3

Chicago

Chu, S Y, P Cashion, and M Jiang. 1989. “A New Colorimetric Assay for Purine Nucleoside Phosphorylase.” Clinical Biochemistry 22 (5): 357–62. doi:10.1016/s0009-9120(89)80032-3.