References
- ECRI, Evaluation: Blood Gas Analyzers. Health Devices July-August, 1989; Vol. 18(Nos. 7–8)245, Plymouth Meeting, PA
- United States of America, Public Law 100–578, 100th Congress, Clinical Laboratory Improvement Amendments of 1988. October 31, 1988
- United States of America; Federal Register, Part m. DHHS, HCFA. February 28, 1992; 42: 493, CFR Part
- United States of America; Federal Register Part XII. DHHS, HCFA. January 19, 1993; 42: 493, CFR Part