Nitrogenous excretion in the tropical sea urchin Diadema antillarum Philippi.
D000641:Ammonia / Q000032:analysis; D002854:Chromatography, Paper; D004447:Echinodermata / Q000032:analysis / Q000502:physiology*; D009584:Nitrogen / Q000032:analysis*
D000641:Ammonia; D009584:Nitrogen