The grand unification theory.
McDonald
Joseph C
JC
D001822:Body Burden; D017408:Guidelines as Topic; D007391:International Cooperation; D007394:International System of Units; D008954:Models, Biological; D011829:Radiation Dosage; D011835:Radiation Protection / Q000379:methods* / Q000592:standards*; D011874:Radiometry / Q000379:methods* / Q000592:standards*; D012015:Reference Standards