title: Sampling errors in the determination of urine calcium and oxalate: solubility of calcium oxalate in HCl-urine mixtures.
mesh_terms: D000328:Adult; D002118:Calcium / Q000652:urine*; D002129:Calcium Oxalate; D006801:Humans; D006851:Hydrochloric Acid; D006863:Hydrogen-Ion Concentration; D010070:Oxalates / Q000652:urine*; D012995:Solubility; D013048:Specimen Handling / Q000592:standards
chemical_list: D010070:Oxalates; D002129:Calcium Oxalate; D006851:Hydrochloric Acid; D002118:Calcium