THE ISOLATION OF POLIOMYELITIS VIRUS FROM HUMAN EXTRA-NEURAL SOURCES. II. COMPARISON OF VIRUS CONTENT OF BLOOD, OROPHARYNGEAL WASHINGS, AND STOOLS OF CONTACTS.
Melnick
J L
JL
Section of Preventive Medicine, Yale University School of Medicine, New Haven.
Horstmann
D M
DM
Ward
R
R