title: [Study of trace elements in the hair of patients with chronic cor pulmonale].
mesh_terms: D000368:Aged; D002118:Calcium / Q000032:analysis; D003327:Coronary Disease / Q000378:metabolism; D006197:Hair / Q000032:analysis*; D006801:Humans; D008875:Middle Aged; D011660:Pulmonary Heart Disease / Q000378:metabolism*; D014131:Trace Elements / Q000032:analysis*
chemical_list: D014131:Trace Elements; D002118:Calcium