[Mandatory bicycle helmet use is a good thing].
Lüthje
Peter
P
Kuusankosken aluesairaala 45750 Kuusankoski. peter.luthje@kymshp.fi
Nurmi
Ilona
I
Niskanen
Raimo
R
D001642:Bicycling / Q000293:injuries*; D006259:Craniocerebral Trauma / Q000209:etiology / Q000517:prevention & control*; D005387:Finland; D006260:Head Protective Devices; D006801:Humans; D011640:Public Policy; D012307:Risk Factors