@misc{9770, author = {P. Thompson and R. Gilbert and P. Long and S. Saxena and M. Sharland and I. Wong}, title = {Effect of antibiotics for otitis media on mastoiditis in children: a retrospective cohort study using the United kingdom general practice research database}, year = {2009}, journal = {Pediatrics}, volume = {123}, number = {2}, pages = {424-30}, issn = {0031-4005}, doi = {10.1542/peds.2007-3349}, }