The effect of cryopreservation of semen on the frequency and pattern of chromosome aberrations in fowls Ermatov, Y.A. Tsitogenetika i Biotekhologiya: Materialy 2 Vsesoyuznoi Konferentsii po Tsitogenetike Sel' skokhozyaistvennykh Zhivotnykh, Leningrad Pushkin 1988: 110-111 1989 https://eurekamag.com/research/002/246/002246752.php