Recovery of cyanosis after esophageal intubation in a neonate with tracheal agenesis: a case report - Hasan Tolga Çelik; Mustafa Şenol Akın; Davut Bozkaya; Emel Şule Yalçın; Ahmet Emre Süslü; Mithat Haliloğlu; Kadri Şafak Güçer; Murat Yurdakök (The Turkish Journal of Pediatrics)