title: Comment on 'measurement of activity concentrations of natural radionuclides in the topsoil of IITA Ibadan by gamma-ray spectrometry'.
authors: P J
authors: PJ
authors: Allisy-Roberts
mesh_terms: D000383:Agriculture; D004784:Environmental Monitoring; D012990:Soil Pollutants, Radioactive / Q000032:analysis*; D013051:Spectrometry, Gamma / Q000379:methods*
chemical_list: D012990:Soil Pollutants, Radioactive