[The estimation of the effectiveness of early rehabilitation of the athletes practicing different sports after the knee injury with the use of specific simulators].

There are yet no optimal criteria to be applied in rehabilitative sports medicine for the estimation of the restoration of the athletes' physical conditions to enable them to return to their professional activities. The primary objective of the present study was to develop specific methods for the assessment of the physical performance of the athletes safe enough for the use at any stage of testing and sufficiently informative to give idea of the athlete's condition. To this effect, we compared the effectiveness of various testing procedures specific for different sports.

[Morphometry in the diagnosis of colon villous polyps].

Endoscopic biopsies were carried out in 62 patients with colon villous adenomas and 28 patients with colon adenocarcinomas. Differential-diagnostic schemes of evaluation different morphological versions of colon villous adenomas were used for processing results of hystological investigations. These schemes were offered by G.

[Crohn's disease. The problem of early diagnosis].

A retrospective analysis was made of the diagnostic period of Crohn's disease as well as of x-ray and endoscopic signs in 28 patients. Three forms of the disease were distinguished: acute (pseudoappendicular), stenosing with chronic intestinal obstruction syndrome and primary chronic characterized by the triad (pains in the stomach, diarrhea, fever) or by the syndrome of malabsorption with extraintestinal manifestations. In the stenosing and primary chronic forms of Crohn's disease, a correct diagnosis was established in the majority of the patients 3-5 years after appearance of the symptoms.