The ECHO viruses (enteric cytopathogenic human orphan viruses) comprise a subgroup of the human enteroviruses: all are infectious for human beings. Although several may share common antigens, most are serologically unrelated. They have been grouped toget
The value of echoencephalography and the reliability of the information obtained is directly proportional to the degree of familiarity the examiner has with the ultrasonic technic. This is the disadvantage of the method, which appears to make doubtful the results of the investigations in various case...
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