RT Journal
T1 DOmestic abstracts
JF JAMA
JO JAMA
YR 1989
FD July 21
VO 262
IS 3
SP 404
OP 408
DO 10.1001/jama.1989.03430030092043
UL http://dx.doi.org/10.1001/jama.1989.03430030092043
AB