title: [Plasma leu-enkephalin and beta-endorphin changes in patients with painless myocardial ischemia].
mesh_terms: D003327:Coronary Disease / Q000097:blood*; D004743:Enkephalin, Leucine / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D001615:beta-Endorphin / Q000097:blood*
chemical_list: D004743:Enkephalin, Leucine; D001615:beta-Endorphin