RT Journal
A1 Laufer MD
T1 REsident forum
JF JAMA
JO JAMA
YR 1989
FD October 13
VO 262
IS 14
SP 1954
OP 1954
DO 10.1001/jama.1989.03430140068027
UL http://dx.doi.org/10.1001/jama.1989.03430140068027
AB