A study of the role of sulphate ions on the development of the sea urchin egg.
D000818:Animals; D005260:Female; D010063:Ovum / Q000187:drug effects / Q000254:growth & development*; D012617:Sea Urchins / Q000196:embryology*; D013431:Sulfates / Q000494:pharmacology*
D013431:Sulfates