[Cellular immunity and phagocytosis in pregnant patients with viral hepatitis B].

The work deals with the results of the study of cell-mediated immunity factors (T and B lymphocytes, 0 lymphocytes, T helpers, T suppressors) and phagocytosis in pregnant women with viral hepatitis B, depending on the duration of pregnancy and the severity of the disease. The authors suggest that the severe course of viral hepatitis B in pregnant women may be regarded as the consequence of secondary immunodeficiency.

[A cytologic wire brush for flexible endoscopes].

Development and serial production of a special instrument for scraping off from the mucous membrane with a following microscopic examination of the material could considerably widen the possibilities of endoscopists in difficult to access regions.