[Chronic aspecific bronchopneumopathies in agricultural workers. Value of the electroatriogram].
D000382:Agricultural Workers' Diseases; D000383:Agriculture; D001249:Asthma; D001991:Bronchitis; D004562:Electrocardiography; D006801:Humans; D011656:Pulmonary Emphysema
AGRICULTURAL WORKERS' DISEASES; ASTHMA; BRONCHITIS; ELECTROCARDIOGRAPHY; PULMONARY EMPHYSEMA