[On the significance of the respiratory organs in the morbidity of workers in warm areas of the heavy-machine industry in Magdeburg].
D006801:Humans; D008669:Metallurgy; D012143:Respiratory Physiological Phenomena; D012137:Respiratory System / Q000502:physiology*; D012829:Silicosis / Q000209:etiology*
RESPIRATORY SYSTEM/physiology; SILICOSIS/etiology