in 128 mature white rats ( males ) after adaptation for 1 -- 45 days , to 4,000 m altitude ( north-west pamir , glasier fortambek ) , weight characteristics of the heart were estimated ( capillary diameters , their network density per 1 mm2 of the section summing length and volume in 1 mm3 of the right and left ventricular myocardium .
C1521970
characteristics
C1444754
length