title: A theory on coronary spasm.
mesh_terms: D000208:Acute Disease; D000328:Adult; D003327:Coronary Disease / Q000188:drug therapy*; D006801:Humans; D008278:Magnesium Sulfate / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D013919:Thromboangiitis Obliterans / Q000188:drug therapy
chemical_list: D008278:Magnesium Sulfate