RT Journal
T1 INdex to advertisers
JF JAMA
JO JAMA
YR 1989
FD February 24
VO 261
IS 8
SP 1242
OP 1242
DO 10.1001/jama.1989.03420080166058
UL http://dx.doi.org/10.1001/jama.1989.03420080166058
AB