STUDIES ON MIXED INFECTION WITH POLIOVIRUS TYPE 1 AND ECHO VIRUS TYPE 7 IN MONKEYS AND CELL CULTURES.
D000818:Animals; D060085:Coinfection; D029822:Enterovirus B, Human; D030015:Enterovirus C, Human; D000882:Haplorhini; D007564:Japan; D011051:Poliomyelitis; D017955:Poliovirus; D012106:Research; D014777:Virus Diseases
ECHO VIRUSES; EXPERIMENTAL LAB STUDY; JAPAN; MONKEYS; POLIOMYELITIS; POLIOVIRUS; VIRUS DISEASES