http://press.psprings.co.uk/bmj/july/mobilephones.pdf
British Medical Journal, July 2005
"Driver’s use of a mobile phone up to 10 minutes before a crash was associated with a fourfold increased likelihood of crashing.... Risk was raised irrespective of whether or not a hands-free device was used.... Increased risk was similar in men and women and in drivers aged ≥ 30 and < 30 years. A third...of calls before crashes and on trips during the previous week were reportedly on hand held phones."
