RT Journal
T1 AUstria
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1959
FD May 9
VO 170
IS 2
SP 239
OP 239
DO 10.1001/jama.1959.63010020017024
UL http://dx.doi.org/10.1001/jama.1959.63010020017024
AB