Electrocardiographic investigations during car driving on road = Recherche electrocardiographique pendant la conduite sur route = Elektrokardiographische Untersuchungen während des Autofahrens auf Verkehrsstrassen.

Heart rate blood pressure and electrocardiacgraphic tracings were investigated on subjects driving their own cars of different test routes. The results are discussed in this paper. The intervening nervous humoral and metabolic factors are also discussed.