Severe acute otitis media and mastoiditis caused by group A beta-hemolytic streptococcus.
Juha T LaaksoValtteri RissanenEeva RuotsalainenJarkko KorpiLaulajainen-Hongisto AnuVille SivonenSaku T SinkkonenPublished in: Laryngoscope investigative otolaryngology (2021)
4.