IRON IN AMPHIBIAN OOCYTES AND EMBRYOS.
D000663:Amphibians; D000818:Animals; D001001:Anura; D001345:Autoradiography; D004622:Embryo, Mammalian; D004625:Embryo, Nonmammalian; D007501:Iron / Q000378:metabolism*; D007503:Iron Isotopes; D009865:Oocytes; D010063:Ovum; D012106:Research
D007503:Iron Isotopes; D007501:Iron
EMBRYO; EXPERIMENTAL LAB STUDY; IRON ISOTOPES; IRON METABOLISM; OVUM; RADIOAUTOGRAPHY; TOADS