title: Assessment of risk from low-level exposure to radiation and chemicals. A critical overview.
mesh_terms: D000818:Animals; D002273:Carcinogens; D006801:Humans; D009369:Neoplasms / Q000139:chemically induced*; D009381:Neoplasms, Radiation-Induced; D012306:Risk
chemical_list: D002273:Carcinogens