J. Cockburn, D. Ruth, C. Silagy, M. Dobbin, Y. Reid, M. Scollo et al
Cockburn J, Ruth D, Silagy C, Dobbin M, Reid Y, Scollo M et al.
Randomised trial of three approaches for marketing smoking cessation programmes to Australian general practitioners.
British Medical Journal 1992; 304 :691
doi:10.1136/bmj.304.6828.691