{Reference Type}: Case Reports {Title}: A case of costovertebral angle tenderness without urinary abnormality due to posterior pararenal space abscess. {Author}: Nishino T;Niido M;Ochiai S;Haruyama M;Hoshino H;Mimaki M; {Journal}: Pediatr Int {Volume}: 66 {Issue}: 1 {Year}: 2024 Jan-Dec {Factor}: 1.617 {DOI}: 10.1111/ped.15784