rect http://www.cccd.edu/faq/tinnitus.html 4,12 85,25 
rect http://www.boystown.org/hhirr/fundamen.htm 4,33 164,55 
rect http://www.boystown.org/hhirr/fundam2.htm 5,63 163,86 
rect http://indy.radiology.uiowa.edu/Patients/IHB/Oto/Oto.html 5,94 147,106 
rect http://www.siemens-hearing.com/faq/glossary.html 6,115 125,127 
rect http://www.cdc.gov/niosh/noise2a.html 271,12 418,38 
rect http://gabby.osha-slc.gov/OshStd_data/1910.0095.html 271,51 388,64 
rect http://www.netdoor.com/entinfo/noiseaao.html 271,77 396,103 
rect http://www.cabotsafety.com/tech/earlog/ 272,116 325,129