... Brownstein Z, Marlin S,Adina Q, Cockburn DJ, Pandya A, Siemering KR, Chamberlin GP, Ballana E,Wuyts W, Maciel-Guerra AT, Alvarez A, Villamar M, Shohat M, Abeliovich D,Dahl HH, Estivill X, Gasparini ... possiblehead or brain injury, and the use of aminoglycoside anti-biotics. All subjects showed moderate to profound bilat-eral sensorineural hearing impairment on audiograms.Careful medical examinations ... normal hearing using a com-mercially available DNA extraction kit (Watson Bio-technologies Inc., Shanghai, China).Mutational analysisThe coding exon (exon 2) and flanking intronic regions of GJB2...