Portal hemodynamics parameters in chronic heart failure of the I-II.General clinical and laboratory examination, electrocardiography, echocardiography, ultrasound and doppler examination of liver were carried out in 109 patients with chronic heart failure and 31 patients of the control group.

Infantry in Vietnam (ries 13).Series shows what the 'Grunts' actually wore in the field and how Army regulations were adapted to meet the needs of the men in the atrocious conditions of warfare in Vietnam.Rare images of the infantrymen who fought in Vietnam - their uniforms and equipment, and how they were adapted to meet the severe conditions in the jungles and rice paddies of Southeast Asia.

Rare images of the infantrymen who fought in Vietnam - their uniforms and equipment, and how they were adapted to meet the severe conditions in the jungles and rice paddies of Southeast Asia.An article about Agriculture hand selected for the Wikipedia for Schools by SOS Children.