title: Editorial comment.
authors.affiliation: Pediatric Urology Services, Cedars-Sinai Medical Center, Los Angeles, California, USA.
authors.forename: Andrew L
authors.initials: AL
authors.lastname: Freedman
mesh_terms: D000653:Amniotic Fluid / Q000737:chemistry*; D055316:Cystatin C / Q000032:analysis* / Q000652:urine; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging* / Q000378:metabolism*; D006801:Humans; D011237:Predictive Value of Tests; D011247:Pregnancy; D011379:Prognosis; D016216:Ultrasonography, Prenatal; D001748:Urinary Bladder Neck Obstruction / Q000000981:diagnostic imaging* / Q000378:metabolism*
chemical_list: D055316:Cystatin C