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[Evaluation of orthodontic cases by means of key-punch cards. 3. Data from follow-up examinations].

484 orthodontic patients were subjected to follow-up examination. The kind of treatment, the evaluation and the factors that are of importance to continuing successes and recurrences, respectively, are described. It is pointed out that the present communication and the two previous ones aim at illustrating that the orthodontic practitioner is able to document and evaluate his cases easily with the aid of key-word cards.

Activator Appliances↗

[Organization of collecting and analysis of the data on nutrition in epidemiological study of cardiovascular diseases].

The principles of collecting and analysis of information on nutrition in epidemiological study of cardiovascular diseases by means of electronic computers are described. A special program computes the consumption of 11 nutrients, the calorific value of the diet, and the calorie percentage of different nutrients with the exception of cholesterol. Certain coefficients are estimated, such as the ratio between the poly-unsaturated and the saturated fatty acids in the diet, and the ratio between the amount of starch and the total amount of refined and unrefined sugar, Well-trained technical personnel may be entrusted with the collection of the information, its coding, perforation, and feeding into the computer and with the obtainment of the data, which reduces the cost of the study considerably.

Cardiovascular Diseases↗