Images
    Hospital Picture
        http://www.cdc.gov/ncidod/eid/vol4no4/klugman.htm
    Rotating Globe
        http://www.interactive-mathvision.com/stlcop/stlcop.html
 

Research
    http://www.cdc.gov/ncidod/eid/vol2no2/fidler.htm
    http://www.cdc.gov/ncidod/eid/vol4no3/alleyne.htm
    http://www.cdc.gov/ncidod/eid/vol4no2/adobe/v4n2.pdf