Olli-Pekka Alho, Petri Koivunen, Tomi Penna, Heikki Teppo, Markku Koskela, Jukka Luotonen et al
Alho O, Koivunen P, Penna T, Teppo H, Koskela M, Luotonen J et al.
Tonsillectomy versus watchful waiting in recurrent streptococcal pharyngitis in adults: randomised controlled trial
BMJ 2007; :bmj;bmj.39140.632604.55v1
doi:10.1136/bmj.39140.632604.55