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  "published": "2026-09-16",
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  "subjects": [
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  "title": "Ultrasonographic changes following pyeloplasty in children with ureteropelvic junction obstruction: a prospective observational before-after cohort study",
  "title_text": "Ultrasonographic changes following pyeloplasty in children with ureteropelvic junction obstruction: a prospective observational before-after cohort study",
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  "venue": "Annals of medicine and surgery (2012)",
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