RT Journal
T1 QUestions and answers
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1959
FD March 7
VO 169
IS 10
SP 1145
OP 1148
DO 10.1001/jama.1959.03000270127038
UL http://dx.doi.org/10.1001/jama.1959.03000270127038
AB