Paul Little, Clare Gould, Ian Williamson, Michael Moore, Greg Warner, Joan Dunleavey et al
Little P, Gould C, Williamson I, Moore M, Warner G, Dunleavey J et al.
Pragmatic randomised controlled trial of two prescribing strategies for childhood acute otitis media
BMJ 2001; 322 :336
doi:10.1136/bmj.322.7282.336