短语词组短語rachitic genu valgum 佝僂病性膝外繙acquired genu valgum 獲得性膝外繙developmental genu valgum 發育性膝外繙cuneiform osteotomy of genu valgum 膝外繙楔形截骨術polydactyly associated with genu valgum 多指及膝外繙 返回 genu valgum