[Alcohol dehydrogenase activity of human and animal blood serum in acute and chronic alcoholic intoxication].

Alcohol dehydrogenase activity (ADH; KP 1.1.1.

[Health status of 1st- to 3d-grade pupils in a unified secondary polytechnical school entering school at different ages].

The purpose of the present work is to study the effect of training in the new unified secondary polytechnical school /USPS/ on the health status of students from I-III class, with initial school age 6 and 7 years, realized in the conditions of 5-day school week and all day organization of the training process. A longitudinal observation /I to III class/ on the health status of 6 divisions of schoolchildren in Sofia and Burgas is performed--on those starting at the age of 6 /experimental/ and 7 years /controls/. Besides a transversal investigation of a total number of 1657 students of I-III class in 10 districts of the country was carried out, distributed in like manner between 6 and 7 years old schoolchildren.

[Age-related characteristics of hemoglobin and erythrocytes in 7- to 17-year-old pupils].

A total of 1100 students, aged from 7 to 17 (50 boys and 50 girls from each age group) were covered wigh the study. The following indices were studied: hemoglobin concentration in blood and erythrocyte count. The results reveal that the average values of hemoglobin and erythrocytes in the boys and girls, aged from 7 to 17, are similar and gradually grow with age.

[Spread of whooping cough among adults today].

Epidemiological surveys with the use of the clinical and bacteriological methods of examination were carried out in 107 foci of pertussis in families (283 adults), 25 foci in children's institutions (103 employees) and 1 focus in a surgical department for infants (29 adults). The infection was shown to be widely spread among adults at present: 23.7% in the surveyed families, 10% in children's institutions and 6.

[Clinical effectiveness of carbenicillin in suppurative inflammatory processes of varying localization].

The study on sensitivity of clinical strains of the causative agents of purulent infections to carbenicillin showed that 34.6% of the staphylococcal strains, 48.1% of the E.

[Age characteristics and circadian biorhythm of the leukocytes in schoolchildren].

The leucocyte counts were determined three times daily at 6 hours' interval in 480 children from 7 to 14 years of age (30 boys and 30 girls of each age group). The results showed that there exist no age or sex differences in the leucocyte counts in school-children. There was essential increase in the leucocyte counts in boys and girls from morning to evening.