TY - GEN AU - Liwska,J AU - GrabiƄski-Baranowski,A J TI - Ultrastructure of the secondary yolk sac in pig's embryo SN - 0015-5659 PY - 1995///0830 KW - Animals KW - Embryonic and Fetal Development KW - physiology KW - Swine KW - embryology KW - Yolk Sac KW - ultrastructure N1 - Publication Type: Journal Article ER -