RT Journal
T1 QUeries and minor notes
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1939
FD April 22
VO 112
IS 16
SP 1621
OP 1626
DO 10.1001/jama.1939.02800160085029
UL http://dx.doi.org/10.1001/jama.1939.02800160085029
AB