RT Journal
T1 INdex to advertisers
JF JAMA
JO JAMA
YR 1989
FD December 22
VO 262
IS 24
SP 3562
OP 3562
DO 10.1001/jama.1989.03430240210052
UL http://dx.doi.org/10.1001/jama.1989.03430240210052
AB