RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1983
FD February 4
VO 249
IS 5
SP 651
OP 652
DO 10.1001/jama.1983.03330290069035
UL http://dx.doi.org/10.1001/jama.1983.03330290069035
AB