Paul Little, Martina Dorward, Greg Warner, Michael Moore, Katharine Stephens, Jane Senior et al
Little P, Dorward M, Warner G, Moore M, Stephens K, Senior J et al.
Randomised controlled trial of effect of leaflets to empower patients in consultations in primary care
BMJ 2004; 328 :441
doi:10.1136/bmj.37999.716157.44