by Usacheva, O. V., Mironova, K. S., Firyulina, O. M., Syvolap, V. K.
Published in Pathologia (18.06.2014)

by Syvolap, V K
Published in Pediatrija (01.11.1978)

by Varaksina, G F, Syvolap, V K, Korogod, S N, Riabchenko, L Ia
Published in Likars'ka sprava (01.03.1995)

by Gavura, V V, Zhivitsa, L V, Syvolap, V K
Published in Vrachebnoe delo (01.02.1981)