RT Journal
A1 Flinn FB
T1 DAngers of radium taken internally
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1929
FD November 16
VO 93
IS 20
SP 1581
OP 1581
DO 10.1001/jama.1929.02710200065032
UL http://dx.doi.org/10.1001/jama.1929.02710200065032
AB To the Editor: 
    —I read with interest your editorial (The Journal, September 7) on radioactive waters and solutions. You have neglected to point out some of the dangers or ill effects that may possibly arise from some of these preparations which actually contain a certain, though small, amount of radioactive material. I do not refer to emanation which is a gas, such as is supposed to be present in the drinking waters.A short time ago I came across a man who had taken one of these preparations for two years and, although he had not taken any for some months, he still showed appreciable radioactivity when examined with an electroscope. The amount present compared favorably with the quantities present in some of the cases designated as radium poisoning.My study of dial painters has convinced me that the blood picture of radioactive persons does not give any indication of