RT Journal
A1 Blazejewski S, Girodet P, Orriols L, Capelli A, Moore N, CESIR Group f
T1 Factors associated with serious traffic crashes: A prospective study in southwest france
JF Archives of Internal Medicine
JO Archives of Internal Medicine
YR 2012
FD July 9
VO 172
IS 13
SP 1039
OP 1041
DO 10.1001/archinternmed.2012.1695
UL http://dx.doi.org/10.1001/archinternmed.2012.1695
AB 
Drugs affecting driving ability (DADAs) directly1- 4 or by indicating at-risk diseases5 are classified in a 4-level standardized classification associated with a graded pictogram.6 A study in the French police database of crashes and in the national health care database showed an increased risk of being responsible in drivers exposed to level 2 or level 3 drugs7 but did not include information on sleepiness, the use of illicit drugs, or other occupational factors.