DW Business - News January 30, 2018
At the University Clinic in aachen in twenty thirteen and fourteen a group of twenty five Healthy People were made to inhale nitrogen dioxide in varying concentrations over periods of hours several times a week the common factor is wanted to use the tests to determine exactly how dangerous nitrogen dioxide was to humans the tests were commissioned by the European Research organization for environment and health and financed by german comic is b w diamond b. M. W. And german pot supplier bosch th...
Source: archive.org