Laryngopharyngeal reflux: knowledge, attitudes, and practices among primary healthcare physicians - Sultan Bin Obaid; Shahad Bin Obaid; Mohammed Mesfer Alessa; Mohammed Alnajeim; Rakan Almetary; Khalid H. Malki; Tamer Mesallam; Daniele Farneti; Mohamed Farahat (Acta Otorhinolaryngologica Italica)