The 80th year of fifth disease.

use of scanning in research57 and information from other non-invasive measurements such as cerebral blood flow velocity have suggested that periventricular haemorrhage may be prevented by the employment of a sufficient number of skilled nurses and doctors to provide high quality care for ill preterm babies.'2-'4 Our resources must be directed there rather than to the detection of periventricular haemorrhage after it has occurred.