title: Localization of an insoluble excretory product in Cephalogonimus americanus (Trematoda).
mesh_terms: D000818:Animals; D001001:Anura; D001120:Arginine / Q000378:metabolism*; D001345:Autoradiography; D010455:Peptides; D012995:Solubility; D013045:Species Specificity; D013997:Time Factors; D014200:Trematoda / Q000378:metabolism* / Q000502:physiology; D014316:Tritium
chemical_list: D010455:Peptides; D014316:Tritium; D001120:Arginine