scholarly journals Effect of offering different levels of support and free nicotine replacement therapy via an English national telephone quitline: randomised controlled trial

BMJ ◽  
2012 ◽  
Vol 344 (mar23 2) ◽  
pp. e1696-e1696 ◽  
Author(s):  
J. Ferguson ◽  
G. Docherty ◽  
L. Bauld ◽  
S. Lewis ◽  
P. Lorgelly ◽  
...  
PLoS ONE ◽  
2012 ◽  
Vol 7 (4) ◽  
pp. e35249 ◽  
Author(s):  
Theresa M. Marteau ◽  
Paul Aveyard ◽  
Marcus R. Munafò ◽  
A. Toby Prevost ◽  
Gareth J. Hollands ◽  
...  

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