title: Effect of Na+ and K+ ions on development of loach embryos in egg membranes.
mesh_terms: D000818:Animals; D004625:Embryo, Nonmammalian / Q000187:drug effects*; D005260:Female; D005399:Fishes / Q000196:embryology*; D007552:Isotonic Solutions; D008566:Membranes; D010063:Ovum; D011188:Potassium / Q000494:pharmacology*; D012964:Sodium / Q000494:pharmacology*
chemical_list: D007552:Isotonic Solutions; D012964:Sodium; D011188:Potassium