PRELIMINARY STUDIES ON 6 TO 7 DAYS OLD BLASTOCYSTS NON-SURGICALLY RECOVERED FROM CATTLE, III. — METHOD FOR CHROMOSOME PREPARATION W. A. KING, T. LINARÈS, J. GUSTAVSSON and A. BANE Genet. Sel. Evol., 10 4 (1978) 593 DOI: 10.1051/gse:19780442