RT Journal
T1 CUrrent comment
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1919
FD February 15
VO 72
IS 7
SP 497
OP 498
DO 10.1001/jama.1919.02610070035020
UL http://dx.doi.org/10.1001/jama.1919.02610070035020
AB