title: Editorial: Angina-like chest pain without identifiable cause.
mesh_terms: D000787:Angina Pectoris / Q000209:etiology*; D009202:Cardiomyopathies / Q000175:diagnosis; D003327:Coronary Disease / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008833:Microcirculation; D010108:Oxyhemoglobins / Q000032:analysis
chemical_list: D010108:Oxyhemoglobins