title: Practical aspects of the handling of samples and evaluation of laboratory data.
mesh_terms: D000328:Adult; D000368:Aged; D002118:Calcium / Q000652:urine; D002951:Citrates / Q000652:urine; D003404:Creatinine / Q000652:urine; D003460:Crystallization; D005260:Female; D006801:Humans; D008274:Magnesium / Q000652:urine; D008297:Male; D008722:Methods; D008875:Middle Aged; D010070:Oxalates / Q000652:urine; D012008:Recurrence; D013048:Specimen Handling / Q000379:methods*; D014527:Uric Acid / Q000652:urine; D014545:Urinary Calculi / Q000652:urine*
chemical_list: D002951:Citrates; D010070:Oxalates; D014527:Uric Acid; D003404:Creatinine; D008274:Magnesium; D002118:Calcium