A přečetl sis to? ... Samý "but their role is not yet fully understood", "There were no data to address this", "Limited evidence means that a positive association has been observed between exposure to the agent and cancer but that other explanations for the observations (technically termed chance, bias, or confounding) could not be ruled out." ... "but the data available for evaluation did not permit a conclusion about whether a safe level exists." Kam se hrabe wikipedie
