RT Journal
T1 REferences and reviews
JF JAMA
JO JAMA
YR 1969
FD August 25
VO 209
IS 8
SP 1238
OP 1260
DO 10.1001/jama.1969.03160210070041
UL http://dx.doi.org/10.1001/jama.1969.03160210070041
AB