RT Journal
T1 INdex to advertisers
JF JAMA
JO JAMA
YR 1989
FD March 3
VO 261
IS 9
SP 1376
OP 1376
DO 10.1001/jama.1989.03420090144054
UL http://dx.doi.org/10.1001/jama.1989.03420090144054
AB