by Luk'ianova, I E, Sukhanov, V G, Sigida, E A
Published in Problemy sotsial'noi gigieny, zdravookhraneniia i istorii meditsiny (01.01.2007)

by Sigida, E A
Published in Hirurgija (Moskva) (01.02.1982)

by Poliakov, P I, Sigida, E A
Published in Vestnik hirurgii im. I.I. Grekova (01.12.1979)

by Kniazev, M D, Sigida, E A, Kozlova, L G
Published in Sovetskaia meditsina (1985)