{Reference Type}: Case Reports {Title}: Obturator internus muscle abscess in a case of X-linked agammaglobulinemia. {Author}: Shimaoka Y;Ishikawa T;Shimabukuro R;Kubota M;Ishiguro A;Kawai T; {Journal}: Pediatr Int {Volume}: 66 {Issue}: 1 {Year}: 2024 Jan-Dec {Factor}: 1.617 {DOI}: 10.1111/ped.15775