Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Siebert GR, Armstrong J. Monoclonal antibodies recognizing L-thyroxine. US Patent 4,636,478 dated Jan 13 1987
Siebert GR, Armstrong J. Monoclonal antibodies recognizing L-thyroxine. US Patent 4,888,296 dated Dec 19 1989
