RT Journal
T1 DEnmark
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1959
FD January 17
VO 169
IS 3
SP 270
OP 271
DO 10.1001/jama.1959.73000200004019
UL http://dx.doi.org/10.1001/jama.1959.73000200004019
AB