'An effort lasting from 1985 to 1991 eliminated this paralytic illness from Latin America'
polio
PUBLIC HEALTH: An effort lasting from 1985 to 1991 eliminated this paralytic illness from Latin America
An effort lasting from 1985 to 1991 eliminated this paralytic illness from Latin America
An effort lasting from 1985 to 1991 eliminated this paralytic illness from Latin America
PUBLIC HEALTH
polio
PUBLIC HEALTH