Extent and nature of advertising in leading hematology-oncology journals.
Sieber
Debbie L
DL
Lee
Jennifer A
JA
Mathiason
Michelle A
MA
Keller
Jennifer K
JK
Go
Ronald S
RS
D000329:Advertising / Q000706:statistics & numerical data*; D004345:Drug Industry; D006801:Humans; D018156:Journalism, Medical; D010506:Periodicals as Topic