RT Journal
T1 MEdical literature abstracts
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1959
FD May 23
VO 170
IS 4
SP 494
OP 502
DO 10.1001/jama.1959.03010040090026
UL http://dx.doi.org/10.1001/jama.1959.03010040090026
AB