by LAVDANSKIJ, P. A, NAZAROV, V. M, STEFANOV, N. I, FRONTASYEVA, M. V
Published in Journal of radioanalytical and nuclear chemistry (01.06.1989)

by Lavdanskii, P. A., Nazarov, V. M., Stefanov, N. I., Frontas'eva, M. V.
Published in Soviet Atomic Energy (01.06.1988)

by Gilev, V N, Stefanov, N I, Kaĭsarov, D E
Published in Urologii͡a︡ (Moscow, Russia : 1999) (01.07.2001)