RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1989
FD November 3
VO 262
IS 17
SP 2446
OP 2446
DO 10.1001/jama.1989.03430170108040
UL http://dx.doi.org/10.1001/jama.1989.03430170108040
AB