Lessons learned from recruiting socioeconomically disadvantaged smokers into a pilot randomized controlled trial to explore the role of Exercise Assisted Reduction then Stop (EARS) smoking
Health Medicinet,
Trials 2015, 16:1 doi:10.1186/1745-6215-16-1 Published: 12 February 2015 Article source: http://healthmedicinet.com/i/lessons-lea…