We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUse of symptoms and signs to diagnose maxillary sinusitis in general practice: comparison with ultrasonography.Authorsvan Duijn, N. P.; Brouwer, H. J.; Lamberts, H.PublicationBMJ, 1992, Vol 305, Issue 6855, p684ISSN0959-8138Publication typearticleDOI10.1136/bmj.305.6855.684