[Screening of urologic pathology in newborns with prenatal and postnatal echography].

We compared the results, by prenatal ultrasonography, effected on 2592 foetus at the 15th-25th-35th weeks of gestation with the ones, made by postnatal ultrasonography, effected the 5th day of life on 2539 infants born from pregnancies previously monitored. We considered the obstructive and not obstructive malformations. The prenatal ultrasonography put in evidence 19 cases of urological pathology, which is 0.

A health examination of railway high-voltage substation workers exposed to ELF electromagnetic fields.

This is a cross-sectional survey on the health conditions of railways workers active in 258 interconnection and conversion substations all over Italy. Measurements performed in both kinds of substations operating at 220 kV have shown that maximum levels of the electric field strength and of the magnetic flux density at 50 Hz are of the order of 5 kV/m and 15 microT, respectively. Three subject groups, differently exposed (1, 10, 20 h/week), and an unexposed control group, for a total number of 627 workers, constitute the population at study.

[Wilms' tumor. Our clinical experience].

The survival of children with Wilms' tumour is evaluated in 11 males and 12 females treated between 1967 and 1975 in the light of the clinical stage, age at diagnosis, and sex. The subjects were aged from 4 months to 6 years. Six were in stage I, 4 in stage II, 4 in stage III, 7 in stage IV, and 2 in stage V.