A SEROLOGICAL INVESTIGATION OF COXSACKIE VIRUS GROUP B INFECTION IN PATIENTS WITH CARDIAC DISEASE AND CHEST PAIN.
D002637:Chest Pain; D003384:Coxsackievirus Infections; D005853:Geriatrics; D006331:Heart Diseases; D006801:Humans; D009500:Neutralization Tests
COXSACKIE VIRUS INFECTIONS; GERIATRICS; HEART DISEASES; NEUTRALIZATION TESTS