Spinks, A; Glasziou, PP; Del Mar, CB (5. november 2013). »Antibiotics for sore throat«. The Cochrane database of systematic reviews. 11: CD000023. doi:10.1002/14651858.CD000023.pub4. PMID24190439.
Spinks, A; Glasziou, PP; Del Mar, CB (5. november 2013). »Antibiotics for sore throat«. The Cochrane database of systematic reviews. 11: CD000023. doi:10.1002/14651858.CD000023.pub4. PMID24190439.