Fig. 2From: Ambulatory heart rate of professional taxi drivers while driving without their typical psychosocial work stressors: a pilot studyDistribution of the 5-min percent maximum heart rate range (PMHRdriving) values for each of the 13 taxi drivers (T01 to T22) while driving on his 6-hr experimental on-road driving. The dotted line indicates the 30Â % PMHRdriving value of T09Back to article page