RT Journal
T1 DOmestic abstracts
JF JAMA
JO JAMA
YR 1989
FD July 7
VO 262
IS 1
SP 37
OP 39
DO 10.1001/jama.1989.03430010049029
UL http://dx.doi.org/10.1001/jama.1989.03430010049029
AB