The relation between social support and smoking cessation: revisiting an established measure to improve prediction
Annals of Behavioral Medicine (2014) - Comment
pubmed: 24222508  doi: 10.1007/s12160-013-9558-7  issn: 1532-4796  issn: 0883-6612 

Rachel J. Burns, Alexander J. Rothman, Steven S. Fu, Bruce Lindgren, Anne M. Joseph