STUDIES ON THE IMMUNE RESPONSE OF THE RHEUMATIC SUBJECT AND ITS RELATIONSHIP TO ACTIVITY OF THE RHEUMATIC PROCESS. VI. THE SIGNIFICANCE OF THE RISE OF ANTISTREPTOLYSIN LEVEL IN THE DEVELOPMENT OF RHEUMATIC ACTIVITY

STUDIES ON THE IMMUNE RESPONSE OF THE RHEUMATIC SUBJECT AND ITS RELATIONSHIP TO ACTIVITY OF THE RHEUMATIC PROCESS. VI. THE SIGNIFICANCE OF THE RISE OF ANTISTREPTOLYSIN LEVEL IN THE DEVELOPMENT OF RHEUMATIC ACTIVITY