Yilmaz N, Kiymaz N, Yilmaz C, Bay A (2006). "Surgical treatment outcomes in subdural effusion: a clinical study". Pediatr Neurosurg. 42 (1): 1–3. doi:10.1159/000089502. PMID 16357494. S2CID 19267581. http://content.karger.com/produktedb/produkte.asp?typ=fulltext&file=PNE2006042001001