The validity of impressions as a media dose metric in a tobacco public education campaign evaluation: an observational study (Preprint)
Author:
Davis KevinORCID,
Curry LaurelORCID,
Bradfield BrianORCID,
Stupplebeen David AORCID,
Williams Rebecca JORCID,
Soria SandraORCID,
Lautsch JulieORCID
Publisher
JMIR Publications Inc.