Sonography for an Imperforate Anus Approach, Timing of the Examination, and Evaluation of the Type of Imperforate Anus and Associated Anomalies

Takahiro Hosokawa, Yoshitake Yamada, Yutaka Tanami, Shinya Hattori, Yumiko Sato, Yujiro Tanaka, Hiroshi Kawashima, Mayumi Hsokawa, Eiji Oguma