Lennon RP, Griffin C, Miller EL, Dong H, Rabago D, Zgierska AE. Norovirus infections drop 49% in the United States with strict COVID-19 public health interventions. Acta Med Acad. 2020 Dec;49(3):278-80. doi: 0.5644/ama2006-124.317
Michels KB, Rothman KJ. Update on unethical use of placebos in randomised trials. Bioethics. 2003 Apr;17(2):188-204.
Talmud PJ, Hawe E, Miller GJ. Analysis of gene-environment interaction in coronary artery disease: lipoprotein lipase and smoking as examples. J Cardiovasc Med. 2002;3(1):6-9 Revie.