ESTIMATION OF THYMUS DIMENSION IN CHILDREN OF TWO FIRST YEARS OF LIFE BY ULTRASOUND SCANNING Article Kuzmenko L.G., Semenihina K.N., Neijko L.Y., Sarker L., Vahrusheva S.I. Pediatriya - Zhurnal im G.N. Speranskogo. Vol. 81. 2002. P. 22-26