RT Journal
T1 REsident forum
JF JAMA
JO JAMA
YR 1989
FD December 8
VO 262
IS 22
SP 3218
OP 3218
DO 10.1001/jama.1989.03430220157055
UL http://dx.doi.org/10.1001/jama.1989.03430220157055
AB