Clinical practice guideline (update): adult sinusitis - Rosenfeld, RM; Piccirillo, JF; Chandrasekhar, SS; Brook, I; Ashok, K Kumar; Kramper, M; Orlandi, RR; Palmer, JN; Patel, ZM; Peters, A; Walsh, SA; Corrigan, MD (Otolaryngol Head Neck Surg, 2015)
(2 Suppl):