Description of changes in 24-hour heart rate and BP in policemen groups in Hanoi City in 2014 - 2015. Analysis of the correlation between selected microclimates factors and 24-hour heart rate and BP of the research subjects. Evaluation ofimprovementof the microclimate conditions by equipment set in workplaces of the Road Traffic Police. | Summary of PhD thesis in Medicine The effects of microclimateson 24-hour heart rate blood pressure of policemen and Proposed intervention solutions