title: Use of mass media campaigns to change health behaviour.
authors.affiliation: Centre for Behavioural Research in Cancer, Cancer Council Victoria, Carlton, Australia. melanie.wakefield@cancervic.org.au
authors.forename: Melanie A
authors.initials: MA
authors.lastname: Wakefield
authors.forename: Barbara
authors.initials: B
authors.lastname: Loken
authors.forename: Robert C
authors.initials: RC
authors.lastname: Hornik