Naruki Higashidate, Yasushi Iinuma, Yutaka Hirayama, Hisataka Iida, and Naoko Komatsuzaki, “ Obstruction of Small Bowel Caused by Unconscious Trichotillomania: Rapunzel Syndrome”, EM, vol. 3, no. 2, pp. 54–57, Dec. 2017.