Polonium-210 in leaf tobacco from four countries.
D002623:Chemistry Techniques, Analytical; D009520:New Zealand; D010947:Plants, Toxic; D011059:Polonium; D011851:Radioactivity; D013019:South Africa; D014026:Nicotiana / Q000378:metabolism*; D014481:United States; D015030:Zimbabwe
D011059:Polonium