Experimental approaches to evaluating the point of biological system bifurcation.

Any system transforms into a qualitatively new state if the number of its elements changes (increases or decreases in comparison with the standard checkpoint: norm, previous status of the system, etc.) by at least 1/3.

[Quantitative aspects of an analysis of the multicomponent system during its transition to a qualitatively new condition]. / Kolichestvennye aspekty analiza mnogokomponentnoi sistemy pri perekhode ee v kachestvenno novoe sostoianie.

The paper shows that any system acquires a qualitatively new state if the elements of this system change in number (increase or decrease relative to the standard reference point, i.e. normalcy, the prior status of the system, etc. by less than one third).

The effect of high doses of folic acid on the overexpression of ornithine decarboxylase and S-adenosylmethionine content in human colon adenomatous polyps.

It was shown that the 3-month supplementation of patients having colon polyps with folic acid (5 mg/day) led to a 35% decrease in abnormally high ornithine decarboxylase activity in polyps that was accompanied by a 43% increase of S-adenosylmethionine content in polyps.

[Laparoscopic diagnosis of neoplastic diseases in ambulatory patients]. / Laparoskopicheskaia diagnostika opukholevykh zabolevanii u ambulatornykh bol'nykh.

The article deals with the results of the first experience in using laparoscopy for establishing the diagnosis of neoplastic diseases of the abdominal organs in 32 patients in an out-patient clinic. The contraindications were determined and some organizational measures in conducting laparoscopy in this group of patients were mapped out. A method is suggested for closing the operative wound after laparoscopy with sutures applied through all layer under laparoscopic control. The authors consider strict selection of patients for laparoscopy in out-patient clinics to be expedient.