Using facebook to recruit young adult veterans: online mental health research.
Eric R PedersenEric D HelmuthGrant N MarshallTerry L SchellMarc PunKayJeremy KurzPublished in: JMIR research protocols (2015)
Clinicaltrials.gov NCT02187887; http://clinicaltrials.gov/ct2/show/NCT02187887 (Archived by WebCite at http://www.webcitation.org/6YiUKRsXY).