title: Physiological studies on trematodes: phosphatase systems in Gastrothylax crumenifer.
mesh_terms: D004798:Enzymes; D005459:Fluorides / Q000494:pharmacology*; D006863:Hydrogen-Ion Concentration; D008278:Magnesium Sulfate / Q000494:pharmacology*; D010744:Phosphoric Monoester Hydrolases / Q000378:metabolism*; D014200:Trematoda / Q000201:enzymology* / Q000502:physiology
chemical_list: D004798:Enzymes; D008278:Magnesium Sulfate; D010744:Phosphoric Monoester Hydrolases; D005459:Fluorides