1. The Limulus test for endotoxin (pyrogen) in radiopharmaceuticals and biologicals;Cooper;Bulletin of the Parenteral Drug Association,1972
2. Quantitative comparison of in vitro and in vivo methods for detection of endotoxin;Cooper;Journal of Laboratory and Clinical Medicine,1970
3. Pyrogen testing: horseshoe crabs vs. rabbits;Eibert;Bulletin of the Parenteral Drug Association,1972
4. Rapid detection of contaminated intravenous fluids using the Limulus in vitro endotoxin assay;Jorgensen;Applied Microbiology,1973
5. Ein Beitrag zur in-vitro Pyrogenprüfung mittels des Limulus Tests;Krüger;Arzneimittelforschung,1975