Autoradiography of 3H-uridine incorporation in the normal early blastocysts of cattle J. PIVKO, V. KOPEČNÝ, M. TOMÁNEK, J. KAŇKA and J.-E. FLÉCHON Reprod. Nutr. Dévelop., 26 4 (1986) 1009-1015 DOI: 10.1051/rnd:19860608