[Research related to improving physiological conditions for the respiratory system. Results of work done at the Center for Mining Safety in Essen].
D005860:Germany, West; D006801:Humans; D008722:Methods; D008906:Mining; D009784:Occupational Diseases / Q000517:prevention & control*; D009787:Occupational Medicine; D012129:Respiratory Function Tests; D012143:Respiratory Physiological Phenomena; D014692:Ventilation-Perfusion Ratio