Beregszaszi M, Léger J, Garel C, Simon D, François M, Hassan M, Czernichow P 1996 Nasal pyriform aperture stenosis and absence of the anterior pituitary gland: report of two cases. J Pediatr 128 ...

Using a variety of different light sources that provide both illumination and coaxial vision, the head and neck surgeon can view the nasal vault through a nasal speculum [see Figure 4]. This ...