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A clinical study was made on 558 cases of benign or malignant tumors occuring under the age of
16 years which had been observed at the National Medical Center during a period of 12 years, from
January 1976 to December 1987.
Five hundred fifty eight tumors were divided into 308 benign, 223 malignant and 27 uncertain
tumors.
The frequency of malignant tumors among total admitted... |
