Burton, M., Derkay, C., & Rosenfeld, R. (2011). Extracts from the Cochrane Library: "Grommets (ventilation tubes) for hearing loss associated with otitis media with effusion in children".
Chicago-referens (17:e uppl.)Burton, M., C. Derkay, och R. Rosenfeld. Extracts from the Cochrane Library: "Grommets (ventilation Tubes) for Hearing Loss Associated with Otitis Media with Effusion in Children". 2011.
MLA-referens (9:e uppl.)Burton, M., et al. Extracts from the Cochrane Library: "Grommets (ventilation Tubes) for Hearing Loss Associated with Otitis Media with Effusion in Children". 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.