Montagnoli, Claudia, Alessandra Pistilli, Anna Stabile, Rocco Rende, Maria Rambotti, Antonio Spreca, and Mario Rende. 2010. “Involvement of Nerve Growth Factor (NGF) and Its Receptors in Respiratory Diseases”. Italian Journal of Anatomy and Embryology 115 (1/2):118. https://oajournals.fupress.net/index.php/ijae/article/view/4503.