[The formulation of epidemiological hypotheses by using the methods of multivariate statistical analysis].

The work demonstrates the main approaches to the use of the methods of multidimensional analysis for the creation of a hypothesis on the mechanism of the epidemiological process of dysentery in organized groups. The main risk factors have been established, and their role in the formation of annual, all-the-year-round and seasonal dysentery morbidity has been quantitatively evaluated. The results of analysis show the existence of diverse variants of the alimentary route of the transmission of infection, maintaining the epidemic process of dysentery, and the necessity of differentiating measures for the prophylaxis of all-the-year-round and seasonal morbidity.

[Role of factors affecting the diameter of capillaries in postmortem examinations].

In 20 mongrel dogs by means of four methods (injection of Indian ink and gelatin, impregnation after Bielschowsky--Gros, injection of 1% colloid silver solution and erythrocytes staining with benzidine) capillaries in the musculus sternomastoideus have been revealed. The capillary diameters are measured with a screw ocular micrometer and treated by means of variational statistics methods, three-factor dispersion analysis including. The role of the factors affecting the capillary diameters in the process of their revealing is defined.