Abstract: | Department of Histology and Embryology, L'vov Medical Institute. Department of Histology, Cytology, and Embryology, I. M. Sechenov First Moscow Medical Institute. (Presented by Academician of the Academy of Medical Sciences of the USSR D. S. Sarkisov.) Translated from Byulleten' Éksperimental'noi Biologii i Meditsiny, Vol. 111, No. 1, pp. 71–74, January, 1991. |