title: Circannual rhythm of cardiac mortality. An attempt to identify possible endogenous and exogenous factors.
mesh_terms: D001272:Atmosphere; D003327:Coronary Disease / Q000401:mortality; D006331:Heart Diseases / Q000401:mortality*; D006801:Humans; D007557:Israel; D010507:Periodicity; D012621:Seasons; D013781:Texas; D014481:United States