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(70 kg)*(0.2%)*(0.0117%)/(39.0983 g/mol)*(Avogadro's constant)*ln(2)/(1.277e9 years) in Bq
(70 kg)*(0.2%)*(0.0117%)/(39.0983 g/mol)*(Avogadro's constant)*ln(2)/(1.277e9 years) in Bq
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