Melnick, J L THE ISOLATION OF POLIOMYELITIS VIRUS FROM HUMAN EXTRA-NEURAL SOURCES. II. COMPARISON OF VIRUS CONTENT OF BLOOD, OROPHARYNGEAL WASHINGS, AND STOOLS OF CONTACTS. [electronic resource] - The Journal of clinical investigation Mar 1946 - 275-7 p. digital Publication Type: Journal Article ISSN: 0021-9738 Standard No.: 10.1172/JCI101706 doi