Randomised controlled trial of the effect of ventilation tubes (grommets) on quality of life at age 1-2 years
Primary care based randomized, double blind trial of amoxicillin versus placebo for acute otitis media in children aged under 2 years
Adenoidectomy and adenotonsillectomy for recurrent acute otitis media. Parallel randomized clinical trials in children not previously treated with tympanostomy tubes