doctor.png
http://www.wpclipart.com/imgpage.html?http://www.wpclipart.com/medical/personnel/physician.png

staff.png
http://www.wpclipart.com/imgpage.html?http://www.wpclipart.com/medical/personnel/staff.png 

ambulance.wav 
http://free-loops.com/download-free-loop-2982.html