in 673 open fractures of long bones ( tibia and fibula , femur , radius and ulna , and humerus ) treated from 1955 to 1968 at hennepin county medical center , minneapolis , minnesota , and analyzed retrospectively , the infection rate was 12 per cent from 1955 to 1960 and 5 per cent from 1961 to 1968 .
C3829712
hennepin county
C0026183
minnesota