RT Journal
T1 FRance
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1959
FD February 7
VO 169
IS 6
SP 631
OP 632
DO 10.1001/jama.1959.73000230016020
UL http://dx.doi.org/10.1001/jama.1959.73000230016020
AB